| Token | #7720 of SciMatic Articles (ERC-1155), fixed supply 1,000,000 |
|---|---|
| Contract | 0x0E596B4bb924937aA35D9b342A90347ed6F05eF8 |
| Mint transaction | 0xe21ed07ed46936b0865065b826b57ba0b1eca7ba2b5b4045e998c80ca60def53 · block 12110677 |
| Minted | 2026-10-02 12:25 UTC |
| Hash on chain | 0x09026b66038d2e31f08bd6d3f10db3c2e52fbc237ec3859efd6379b539e1f5c7 |
| SHA-256 of the record | 0x09026b66038d2e31f08bd6d3f10db3c2e52fbc237ec3859efd6379b539e1f5c7 |
| Article today | Matches the anchored record. |
| Holder | Wallet | Minted | Holds now |
|---|---|---|---|
| SciMatic (10%) | 0xc35709AB…277732 | 100,000 | 100,000 |
| Said Nadeem | 0x75286a68…bEDc8A | 900,000 | 900,000 |
Canonical JSON (keys sorted, no spaces, UTF-8). Its SHA-256 is the hash on chain.
{"abstract":"This inaugural editorial welcomes readers to SciMatic Journal of Electrical and Electronics Engineering and outlines the journal's scope, editorial standards, and invitation to the international research community. We describe the peer-review process, open-access commitments, and our focus on rigorous, reproducible scholarship that advances knowledge across our field.","abstract_source":"original","authors":["Said Nadeem"],"date":"2026-04-24","doi":null,"id":7720,"issue":1,"journal":{"issn":null,"name":"SciMatic Journal of Electrical and Electronics Engineering"},"pdf_sha256":"0ef1f7a1b34361afea16402e5c679d1cdbdfe9a667c1ea7ebeac47672ac6c651","schema":"scimatic-article/1","title":"Editorial: Welcome to SciMatic Journal of Electrical and Electronics Engineering","volume":1}
1. The record, from the token's own metadata:
printf '%s' "$(curl -s https://scimatic.org/nft/articles/7720.json | jq -r .canonical_record)" | sha256sum
2. The hash stored on chain (contentHash(7720)):
curl -s https://rpc.scimatic.net -H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"eth_call","params":[{"to":"0x0E596B4bb924937aA35D9b342A90347ed6F05eF8","data":"0xf3e0c2900000000000000000000000000000000000000000000000000000000000001e28"},"latest"]}'
The two must be equal (the second with a 0x in front).