Diamond Dogs is the eighth studio album by the English musician David Bowie, released on 24 May 1974 through RCA Records. Bowie produced the album and recorded it in early 1974 in London and the Nethe
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 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 0x9561e39e321b3c7f6eed4d774b1bfc605325201c218a9fbda43505a0d8ee42ff. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da92fe2f-e27f-4936-8a24-82f37d58492e.json and https://artists.proofprofile.net/proofs/artist/da92fe2f-e27f-4936-8a24-82f37d58492e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Too Much is Always Better Than Not Enough
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 0xde9fa727b37b99ab0fac2ff1d50288583932a3a5523bfd91800bfb0bb2e39934. 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/SEBJF0403010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97685d78e44b6ca5bde925902a681cf492b50efc70b4e386b96f88347718a668. 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/SEBJF0403020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c5a7bc03355c3627b665ba98aa05dd1f254d8a85347031a85d84781015bb1ad. 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/SEBJF0403030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc3efe273d00b7d9b231b9c5cb91597d32702690e973134068346bae24718382. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/SEBJF0403040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4205aa449969f654b088a677ca62c05fffddbe72a8c34e09a8b6e04fd9215b70. 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/SEBJF0403050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06b2f2c2072f0e5291a7e3a51484027812f1cad0e79e57b90144957ab1515096. 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/SEBJF0403060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef782723782c85973ab43a7804c19b19c5e2179aadc7a6063e2cbbef71ac923. 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/SEBJF0403070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68a7682d0097ed0ac58c7f0b74057e974ffb363910bfbd27b0cfc2a199717581. 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/SEBJF0403080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69bf5c940af1eb71564a49f981af4ae762d4a3a5af3a9c270f11f0acdb8fa53f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/SEBJF0403090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83a35eea95ddf48aed3b53f2b01ef9f26d1b3a89b48c6858832c6ebf177f4e35. 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/SEBJF0403110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0680ec2dc83510b6bc19fa8e0766322b6e44f518c24b795c9ba9c3de3fad1564. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/SEVVF2300601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28380508e7de8650f5750684498dcbe3fb231895b7e418edc343b360e67cb5b5. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/SEVVF2401701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e853df66ed5af3a65def24fe7a59d2f757ec8eac7d15569818d0bc8b0c813c4. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/SEVVF2401702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc31d98d64c82a9f9cf3fa52a299c909c68c143ce41b81a23bc1372036ab4a568. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/SEVVF2401703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf54038e1ed0205ab39d125ade2201da8844d8a758b153441958d1b748d42e3f. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/SEVVF2401704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364228ab8805cd38d55fa25bedf1e7b859700ed56b343ff23bf7df7788cba188. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/SEVVF2401705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad822b73ec47152c130fe71b26e7ce3d5ebf5620fc52388d7612be6117243a9. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T03:51:05Z), 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/SEVVF2401706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c8dcbe4ac5e2f62189ba93aeaf39df2fc3319047cfe64d2d06d5a8fdc02bf29. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/SEVVF2401707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6628023166482445919de36b2e36191581f2f31dd2d855903611a99d8653e730. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/SEVVF2401708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bfc3f2c153ad19c994b013e3d20e1ef5d4e64c0aec00a1da8d7d2b82558e669. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/SEVVF2401709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d3af5d09f395069fc447a16c7083a6b6617ffb8ed376afedd20af9262f9452. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/SEVVF2401710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e77214e1776a1d72cf3df9e3e9ccbb758e265a4338ddef2aa0ad8eee9d20f9. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/SEVVF2401711.
National sånger (Hymner från vågen och Epas Torg)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9f278e8cd78a99cb2f7561a9721e0469cac8c337aa94c67279def785469119. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/SEVQJ0200106.