| Token | #355 of SciMatic Articles (ERC-1155), fixed supply 1,000,000 |
|---|---|
| Contract | 0x0E596B4bb924937aA35D9b342A90347ed6F05eF8 |
| Mint transaction | 0x610c0f6111a8194e2baefb0186b5b0b36fbaf77a2d6fdbcef957e575d848ec1c · block 12096821 |
| Minted | 2026-10-01 17:11 UTC |
| Hash on chain | 0xa7b21ee4afade236f26bce9b2e1a5c7208fed75077f7de34ceda3c13098efdbb |
| SHA-256 of the record | 0xa7b21ee4afade236f26bce9b2e1a5c7208fed75077f7de34ceda3c13098efdbb |
| Article today | Matches the anchored record. |
| Holder | Wallet | Minted | Holds now |
|---|---|---|---|
| SciMatic (10%) | 0xc35709AB…277732 | 100,000 | 100,000 |
| Matthew Walet | 0x56De1cA8…51668e | 300,000 | 300,000 |
| Joshua Falcatan | 0x859A4Ac2…47db1e | 300,000 | 300,000 |
| Dr. Jhoselle Tus | 0xA5B14CDB…fa779C | 300,000 | 300,000 |
Canonical JSON (keys sorted, no spaces, UTF-8). Its SHA-256 is the hash on chain.
{"abstract":"With the spread of COVID-19, learning methodology has advanced to the present level of technology, and online learning has increased worldwide. Thus, the Philippines' situation with this learning modality influences mental health disorders, notably self-esteem, which is associated with depression. Moreover, this study investigates the relationship between self-esteem and depression among senior high school students amidst the COVID-19 pandemic. The statistical analysis showed a significant relationship between self-esteem and depression (r=.014).","abstract_source":"original","authors":["Matthew Walet","Joshua Falcatan","Dr. Jhoselle Tus"],"date":"2022-05-20","doi":"10.5281/zenodo.6565371","id":355,"issue":2,"journal":{"issn":"2822-4353","name":"Psychology and Education: A Multidisciplinary Journal"},"pdf_sha256":"1040486757584676161236e1023777000f77047eee3f4137cd5439824e4a5b34","schema":"scimatic-article/1","title":"Amidst the COVID-19 Pandemic: The Relationship Between Self Esteem And Depression Among Senior High School Students","volume":2}
1. The record, from the token's own metadata:
printf '%s' "$(curl -s https://scimatic.org/nft/articles/355.json | jq -r .canonical_record)" | sha256sum
2. The hash stored on chain (contentHash(355)):
curl -s https://rpc.scimatic.net -H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"eth_call","params":[{"to":"0x0E596B4bb924937aA35D9b342A90347ed6F05eF8","data":"0xf3e0c2900000000000000000000000000000000000000000000000000000000000000163"},"latest"]}'
The two must be equal (the second with a 0x in front).