| Token | #4368 of SciMatic Articles (ERC-1155), fixed supply 1,000,000 |
|---|---|
| Contract | 0x0E596B4bb924937aA35D9b342A90347ed6F05eF8 |
| Mint transaction | 0xa3917f45d72327d61a2685d48285905fdc58f6fa2fff686a1b4728abc0ec9eda · block 12103117 |
| Minted | 2026-10-02 01:55 UTC |
| Hash on chain | 0x4cfd429c8eed022ba7fe56c1acb19c6fdc820c1602e2a29a9d830af98023e59e |
| SHA-256 of the record | 0x4cfd429c8eed022ba7fe56c1acb19c6fdc820c1602e2a29a9d830af98023e59e |
| Article today | Matches the anchored record. |
| Holder | Wallet | Minted | Holds now |
|---|---|---|---|
| SciMatic (10%) | 0xc35709AB…277732 | 100,000 | 100,000 |
| Rhyka Mae Yambao | 0x992D6Ae9…8be457 | 225,000 | 225,000 |
| Melchor Espiritu | 0xF1Fee99f…e651D4 | 225,000 | 225,000 |
| Maria Celerina Oreta | 0x5FAAe0c3…FA0Fde | 225,000 | 225,000 |
| Gil Segui | 0xB2E4833F…f42F5D | 225,000 | 225,000 |
Canonical JSON (keys sorted, no spaces, UTF-8). Its SHA-256 is the hash on chain.
{"abstract":"This research study is entitled “Effects of excessive use of gadgets to the health and wellbeing of selected senior high school students in a private school in Gumaca, Quezon.”. A descriptive design of study was utilized in identifying the effects of excessive use of smartphone in terms of social health, emotional health, mental health, and physical health. A survey questionnaire was used as the main data gathering instrument. The study employed 80 Senior High School Students as respondents. The study made use of proportionate random sampling technique in selecting its respondents. Frequency, percentage, mean, ranking and Kruskal Wallis H-test were used for the statistical treatment of data. Based on the findings, typically, the respondents composed of 15-16 years old, and majority was female. The majority of respondents agreed on the effects of excessive smartphone use on the health and well-being of senior high school students. The average mean of 3.68, interpreted as Moderately Agree, indicated agreement on social health. Similarly, the average mean of 4.26, interpreted as Strongly Agree, indicated agreement on emotional health. The average mean of 4.08, interpreted as Moderately Agree, indicated agreement on mental health. Lastly, the average mean of 4.08, interpreted as Moderately Agree, indicated agreement on physical health. Based on the results of the Kruskal Wallis H-test all the null hypothesis of age and sex are not accepted which means that there is a significant difference on the perceived effects of excessive use of smartphone when the respondents are grouped according to profile.","abstract_source":"original","authors":["Rhyka Mae Yambao","Melchor Espiritu","Maria Celerina Oreta","Gil Segui"],"date":"2025-01-22","doi":"10.5281/zenodo.14719542","id":4368,"issue":1,"journal":{"issn":"2822-4353","name":"Psychology and Education: A Multidisciplinary Journal"},"pdf_sha256":"f626ff1a4869bf7912b9fb383e19e81bc27c542c5e67002252e8331f139d7c10","schema":"scimatic-article/1","title":"Effects of Excessive Use of Smartphone to the Health and Well Being of Selected Senior High School Student in a Private School in Gumaca, Quezon","volume":31}
1. The record, from the token's own metadata:
printf '%s' "$(curl -s https://scimatic.org/nft/articles/4368.json | jq -r .canonical_record)" | sha256sum
2. The hash stored on chain (contentHash(4368)):
curl -s https://rpc.scimatic.net -H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"eth_call","params":[{"to":"0x0E596B4bb924937aA35D9b342A90347ed6F05eF8","data":"0xf3e0c2900000000000000000000000000000000000000000000000000000000000001110"},"latest"]}'
The two must be equal (the second with a 0x in front).