thumb|Overhead photograph of the 177 CE earthenware residential feng shui rectification practice pottery basin with the Seven Stars, Eight Trigrams, vermilion script, and small white specks unearthed
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 0x247b35308b55026c895ca4c8a5c7f2aa97a5d61a6924be2fa6648cdb02c07ced. 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/cd372915-e70b-44a7-8150-bd465351095b.json and https://artists.proofprofile.net/proofs/artist/cd372915-e70b-44a7-8150-bd465351095b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Feng Shui: Serenity Healing Music and Relaxing Songs, Music Therapy, Wellness, Relax, Sleep Music and Fengshui Meditation
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 0x44624ef942ca309da1d3d00f95339ea233e079549437ef493b88b5ffea13f787. 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/ITO101251820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985cfc075b9305ace80ebe4b2f609b2da9bbaada179f9570ab581353e83916db. 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/ITO101251821.
Mindfulness Meditation with Sound of the Sea
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b8124fad581bddeffb036bd98f5849a2bd9e3ccf32e35dbc9ac9c6d85f47932. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/ITO101251823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29204068c2f7cc1a51d238bc49cdcc4cb14770f741b079dc524eba44d2550992. 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/ITO101251824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacea4e490d587ec78e4c1c9615c27ad65aacd81669056b3e6b7f787f83cfd5c8. 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/ITO101251825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3fb32ae1c2210227149c8fb869278c48ab636298c77821cf2e3a57788972f67. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/ITO101251826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc691b739f2aa27824922cbe22857e80387fadac434736117a156c053b3f6ad20. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/ITO101251827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf4a3e2ccb3adbc4b4283f9d363e2a2b623c6e17bab13d009d4dd6d7d7dd3db. Chain 2 (Bitcoin): anchored in block 958819 (2026-07-20T04:08:24Z), 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/ITO101251828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf3ff18ae26082848f012abe1cdea320c912c27507c5961ce8c8c9abda937b2. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/ITO101251829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafe7f28c8cff5f5fffb073812868b062d3519ac3eadc9c5b0eb1a6ff9c49cec5. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T13:27:11Z), 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/ITO101251830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda4724d486c8de4d0423cd97311e9330aa79ba1e91235381fa3929ba189fde70. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), 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/ITO101251837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ff61bd786b705522e312d5dcad62949380fb2d78072ea7a7343451bfce06f8. Chain 2 (Bitcoin): anchored in block 958625 (2026-07-18T23:11:57Z), 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/ITO101251846.
Music for Peace & Tranquility - Feng Shui
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9690d9f21bc5941b4d7970f3a6401d3b964d57228a73f997e05c6d1f4a91583a. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/USCGH1412726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b52f6ebb3898d5b8178b375d3cf7e0d86822f682f59728ae13d118c5eef527a. 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/USCGH1412727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa27942bb82471c0d5fa8b147b40b21346a7bb4b31c668effc96577e10c51cca9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USCGH1412728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c3e45aa791fa54dc3a1bb5cd6774a43250bceafcdc7136d7cbc3f5ebfc9f439. 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/USCGH1412729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc66921781d98f4e69bc87148da3fb6861271ee261da008da33336c57b8df34. 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/USCGH1412730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505d9d272ebb7379767063bdff9c1496e08d3dc6b7f4011b3ef05c80ed6a4c84. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/USCGH1412733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe0f6ad9e4cdd0e0c489eef8005e0ee1ac52244df95a19451616e991a0bb8995. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USCGH1412740.
Asian 50 Meditations - Traditional Instrumental Music for Relaxation and Zen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x964011f7eeef920ca06eabddea04fd4dd56077b9d02ee5362b7d307fafdba9f0. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USA2P1571791.
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