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 0x502fe700306f0ac263642e1eb54e8f3df3ee2e6dd5c9c5fdd9721db8c3f37a81. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7cb47ad0-e4c6-4f28-8e96-f14c58ab5885.json and https://artists.proofprofile.net/proofs/artist/7cb47ad0-e4c6-4f28-8e96-f14c58ab5885.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The True Story Of The Bridgewater Astral League
The True Story of The Bridgewater Astral League
Zen And The Art Of Breaking Everything In This Room
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 0x5ad74b13283997520ff9082a1b071f506a33d73ef82422d3c7be3b6122e86afa. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZK6M2242928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ddac511fdd79af59e937bbdf9a296d490014991ee755a76b2d4b587b38c4cd6. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZK6M2242929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf67f562a547b1279461566d841fce352f3bb015bdd8751f02bd06952c7cc19. 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/QZK6M2242931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f14cdc7a4e369ee5d5fde4b6fd850205f8d9fa7518f4b2994352efbdb8a1140. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/QZK6M2242932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f11062de673de8bf334a82e0acc9a6135cfb4eae2b3b4add6df7d86f1ec8d1e. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZK6M2242935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e87d6bbf4850d9d7db08dab4bf871377d4a4b291fbe1b99c4a2db4546a285e. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/QZK6M2242939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ad91b6a6896565237c3f0be877ec69560960713818d93921d4d463e559a36c. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QZK6M2243734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8615eee3d1ae36fe2fe98cfee85d1046b79a472b17bbb217d2b9142099a4e1e8. Chain 2 (Bitcoin): anchored in block 958487 (2026-07-18T03:43:59Z), 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/QZK6M2243735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e814f996b833515842ebae2e472b79fcfff9e251cab42954a7cc8e173af7307. Chain 2 (Bitcoin): anchored in block 958724 (2026-07-19T11:19:01Z), 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/QZK6M2243737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf21996d634be8f25e501623772e68d3346b456ff7b47b7cd67654ab197c1bdc3. 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/QZK6M2243738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa229761a905e550de68f040b6758d77274e3e79dfe8a32e39f6e497e7fe68728. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QZK6M2243739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af6c5603f7d54310998248e8390caf4bcafe503f6e2ca5a4fabdd65090ea148. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZK6M2243741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e56e962dce01ebb08c27039817263c4fb305698a2ccd9542cb9a43dc8999082. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZK6M2243743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf508a3e22697e26754041a41bf2932819078294de7e3dfbc08e4637bba771d9. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/QZK6M2246039.
Addicted to Bad Ideas: Peter Lorre's Twentieth Century
Addicted To Bad Ideas: Peter Lorre's Twentieth Century
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006148511b0d99acea7462cb331f1572f6119a3d69ad8fdec74b6e8a1e2e6723. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZK6M2245209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6948886c824267a35af3cb5d766ed2c1719d93f67a5f83107caec9f0b559593f. 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/QZK6M2245210.
Ich Erinnere Mich An Die Weimarer Republik
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0382e92fe395eb751e92888b1a8b197735cf0535367e2dd31f81e630302c429. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZK6M2245212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fe9cea8df5e8f19b24ac7ec050d4c1511b09a861ba33f709b2d0fb0c0bd17fd. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/QZK6M2245213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe642e04645d6f745f9d6c207ab49fcba94eb573e05d686f5e47f19a68b76b232. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/QZK6M2245215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d8ea9b4ed601866a30812b45de30cfa543573e8663d41844b8a1490b02137f1. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZK6M2245216.
I Am Sick Of People Being Sick Of My Shit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4cecf995b87fdda08f1695ef263081867a872b7835c994cf55cae0dfac3b89f. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/QZK6M2246026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe764037f1c186df79d70cf38b4a6083f9ea4ed742db049fb1752b81f975ce0b1. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZK6M2246031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345264d35d0478dcc9bb5fe77907389f86bfab4b9d975e822707dfa6aad51c80. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/US2B21410071.
Don't Kiss Me, I'm Running out of Lipstick
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02eb32f17f284533f66ad5822b6b11a1519aebada9a91f31a049328ca3f7c3dc. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/US2B21410074.
Freedom is a Wilderness Made for You and Me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bcdefc2cebebf639ef814f68d79fb817ad468d2f8b3cd73612433debdc208fc. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/US2B21950201.
I Wouldn't Want To Live In A World Without Grudges
I Wouldn't Want to Live in a World Without Grudges
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d22bfcae34a568ebc12017f414f3563cf8c8ed553409505018000168a7bfe40. 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/QZK6M2227932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22299b8b59406b1b678ab19f8fd9dcdd7162b626ddeaebd3be05d2834ca348ee. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZTB92334483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ff261ff6409fdd46327da5819e80d0f90743f24ae9699a10a274b6affb03fd. 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/US2B30405005.