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 0x7acb251d50ab09c21c11a097c837e2445e9342ad6ea7f809e77a584c5ac691da. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/21cd0f68-2116-4fb1-8a2c-b7b16636cfb0.json and https://artists.proofprofile.net/proofs/artist/21cd0f68-2116-4fb1-8a2c-b7b16636cfb0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mother Moon's Demos For Kids & The Inner Child, Vol. 2
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 0xad2556e3989bc60c81f0f2ce3a8d4b32a402a1ff5fe611fe1974ee84c3a0a715. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZTAY2360273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x076b6124773b50ebe18308b0c64435537c9138d9786a1643f84af04742d174cb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZTAY2360274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8534ee46353958e84ef07a05c7ca9cd8a9f9dc5c87d1739f7cc52fb2060fe967. 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/QZTAY2360275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79734a91c953f12d31dbdfd4dbb4d4d551025c4d15e248eb7ee7141ac652123c. 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/QZTAY2360276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd89e0e3fab42624d0704ad17131f39febefaeeb82b5d5e0f3da2c819c24e0386. 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/QZTAY2360277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x358bfd6b75b3b52b7b4d21050af730493b5013d4c78d368b21cbb9e3efcda1fd. 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/QZTAY2360278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178248aac6a463d43a5fc6ccf8def312c988b0c83b41f92235c6eb5af16abd28. 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/QZTAY2360279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade86613796fcb3f137165f8a4b131ef219391e259475fa41f7f3dd4e6de102e. 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/QZTAY2360280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f451966019660d1a1109bb8a05328140375be3f6b39ac08c598dc94220ee045. 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/QZTAY2360282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2bc1d90c41251104c8f37ca4d00840b2dc6645e315e8dfa0c4e647742ba2069. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-17T00:09:29Z), 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/QZTAY2360283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a5a840b6442213e9e781af93f35c5cadc793165b321f180fe517ffea16d7078. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZTAY2360281.
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 0x7bc7dc0ef6cca787be5dc3dca366601799867fac914c2d4b14a95dfe1dc1a05d. 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/QZFZ42388752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfb812dc2ef747edc072f8b658c21663b8a3c11fd01ee9683d7233210075a870. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZFZ42388753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07dddef8c2ab56e609a8d5dc87c37f5a347e993f8bd2e6e4efb714e28e6e05bd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZFZ42388754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d5a2a0502104760ea1c15acad03ca45409c4bc6b9959b4d75c4e630b5c2384. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZFZ42388755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793c6af5ed4f3268f912e7baa9f9d94c274af718487c59d4c16a8cd151ab2579. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZFZ42388756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c2a946c5849583d66af116dcd4118ff09d5c428f7153dd08ba4762f07c7b5ea. 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/QZFZ42388758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52bdded472e91895bd12ba90e8c6d5504c4090083e0ffd38b0a8907715cbc604. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZFZ42388760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53f11aba18362e835b16c2d20b9db0d2c36b827bc4928cab4b8fd9cc237bf63c. 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/QZFZ42388761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce85fe5eff2f006c8fbd414e0ef00784b84ffb80cac41bbbd5c497dc074dee3. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QZFZ42388762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2412ed27ea5a6ac33c25eadd1981d95c89196704dfae13e89a97717eb8819d3. 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/QZFZ42388763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8faf58dfc27298fac5dba9872d0a20861e8cabc71826f8f934c38c861e950ad. 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/QZFZ42388764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8074d24f1b9d39b383e62c8b42679a3eca3b23efe0387370d684c113d25cf96. 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/QZFZ42388765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abfee72880723d5f041d82e942621ca7bc7531cf96118236ed746e77c1fd711. 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/QZFZ42388766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e29c991530fd00e538f247673d66c15931c9b9e5743ad4c6237856f001563f0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZFZ42388767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1804143560c934b7f69e5101acdf2c00011d16fc0bf8d0b7253321ed371b36aa. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QZFZ42388770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db9ab4bc0cb2de1a11232a19b0310bab2c130f71a9ba42b16955bd0fd111917. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZFZ42388772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6b683c17dcbb7e83c7f9d196f8f372c2a7b50f7326c0463d8c627af75d9c3f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZFZ42388773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac9784ee9b67e39e0f0e790429432d03163da66207e60ea94fef954b9b451bda. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:21:47Z), 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/QZFZ42388757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab4a21b987d1cf1952573d7d37815e5c935e4fec0f3a1f786c09d8a32b2e5328. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T16:21:16Z), 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/QZFZ42388771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c0193cae8671a37856d5ddae33f778ac9fe0ada69756edd5fe00c6bb8b69e63. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/QZFZ42388759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f0c2307a34bc969762c63b571e6b3de05c4d40700864ec2e3f665eb393dcfd. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/QZFZ42388768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc738b4bd4ed5010fb573469345f447745186e60628b0b8064dd03d278fbeaf1. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/QZFZ42388769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8ebc09cdc8967622ff8e17dc5faad7e21fd7681247f931a874fe0288989e55. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZWFH2309890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddec5837582abc2be0020bc75660dbba0d2bc4d8814fbb14c44899343c5a52fe. 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/QZTAS2321961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa35889b1fdf23a74feb4a2a0a224a21099d39e17c7481361c7bfca8cca1a801. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZRP52279278.