Mathilde is an alternative spelling of the names Matilde or Matilda, and could refer to: Mathilde Dolgopol de Sáez (1901 –1957), Argentinian vertebrate paleontologist Mathilde, Abbess of Essen (949–
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e913e01ea12ffc5edcb271e803781aee2a00019a007ead328ec07880c7a20c. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c9a7e3b8-15a6-4b9c-8966-154ce02c7c1a.json and https://artists.proofprofile.net/proofs/artist/c9a7e3b8-15a6-4b9c-8966-154ce02c7c1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a3aa358dc8c8ade674d8bff37f1a9df3818cde59cc9b4b22507c3df71493e4f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27ff7f2c0a08f54145c21dd90adbeaee59a21bec1f37bfadbc3d3797a781170f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x103303d5343189517714fce8666d05b42d569655f46c3ba03b7f5498e908bbd0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7774da439e567c8e514ff039c9d25fe0f054d6993804454e1bdc7b9b1bf87e4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x494cd6657f2b34b2a065323b9fd2047c2e03ce56d7108fb02220087846458956. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7392205ee66c252e39e917d04f986e31239074db6786e212447dca38ea80ac. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b33f1ac721eb155e4abfa4778fe7b10f2a678168e4540dca9508c1b2b4a3258. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000538.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf453d50e8a5504ee1b8b377b0fbc454991387896e6d8760f65b2bad4fd090c. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16cc212f2fd896a7bd52800f6d747c7663bb2aa2c0c49feef8789f81ac22ee63. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fcd723d14df186a6c50fab725393ed9c19976172c14841dd347e0f22139f335. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b2a63daaf2cb32fd0ecc69b995f84acd08e44976b55140c273682981be0cf1. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1000545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeaa2b3fbfc6dd1fb36324aa4f0f70bfaf1241d13cddc897d629bd70df102153. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x731bacb0794238b6d22b6f075d0fba655caa179baad4ec61e72c65896ced8af2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe156c53c2700fe9aed029649d7f5ae3380ae20c305ed76c2356d9977f79b38e4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5589a04302cd1c63eed1edefaac4647e04fb100037b4d944b20e7b8e4c54f07. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04311a984dd9e69ca9239e05f1dc765aefdf2d1dbbb450ebe8b73fed356acc8a. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ae1cc0f7252deffe1b726d9ea11364c119edb3f8274efc8b1b8ce21f613f45. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e3b6f6d3c10266655daa716944f69d816f95d0c75efe2a0447d2bebaf298530. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dcddf0355778e8f41364703f500f5f9bfdfcafaead4175bd554103ea0852e8b. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA0701151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f40201a038098a2f0cdcd8eed6a9b2a7f2289404d15d08787453e18826b8c16. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKATA1000301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7883ac36da02bd8206c854a0af4c7c8e5e1375dfe3cba14ba1154c52e80a5ec0. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKATA1000302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3715f657734ff6709c1ce21c4580dbb26b952a7398f59bec776924dce7112641. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKATA1000303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeaf7acf25c1dc01ee571aa9f791c306c022978005c2dac41ea57f8820a3c437. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKATA1000305.
Hulubulu (Fra TV-serien "Da Lotte Blev Usynlig")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42a38d918cc00324366935dbbfccb65b0978647639ff5db7a976f5f723ab07a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKABA1101720.
Solen er så rød mor (feat. John Sheanan & Mathilde) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c054713b053a32a68492f2664784026e313b6a8d49c4781b665d0f0e382e007. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKAZA1401168.