BW or Bw may stand for: Businesses and organizations Baldwin Wallace University, Berea, Ohio, US Bergesen Worldwide, a shipping company Best Western, a hotel company British Waterways Brush Eng
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 0xc016c6e37d4b8b0df69d6a7cf7f96ec87b9dc8295dac238b26c9944599705457. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/80bf54fc-dcc8-46f5-b106-7e77b33ddb44.json and https://artists.proofprofile.net/proofs/artist/80bf54fc-dcc8-46f5-b106-7e77b33ddb44.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 0xd50e6184d994d35764b5a723399c0e90c6d7dae1cfe53348bd4b6bb8a26c83f3. 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/QZMHM2311960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7839f2154b53017a2f87df2f4741f4a198eab172c72ff8b1ac84a4189165ab00. 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/QZS632263606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadfffc268b4349f5c0d60a5fdd8394c92c19beecfc4af62d280db40733ffd999. 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/QZMHM2262054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e68b774c12d32a6d9a4954a81e73de77b939968f612e4826a41fc8c2c07100. 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/NLCK42218311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x589a9b54f9d348d47b969713b61f70720a2c1c49bc1aa240c9a758c77005f480. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/NLCK42218310.
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 0x7852c9836d812c9ec40ab81e69bf96b85d7545a81b43fe75ad5fe6d0e0247f8c. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/NLCK42218314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9702aae08944d46684b607470a538ff8a287e4b5c9310e722f250d79263bb301. 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/QZMHL2034107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e0f2f62295a6390eb5ca471723f2fb1fe1de2b977ab19ea87591cd67a30ae5c. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QZMHK2044678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e0a73c0e983d9c4bb81fea8264f5d5f8b559d5191765c747636c413820804f. 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/QZKDK2011517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x477a48dd58db409506269d498d93369be8822c64d6acf1430d4bee6f12176ff4. 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/NLC8K1400372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe47525b009251bf6b0b0658204702b68ea5e00d9e52fb795ea1d729cb8d20a6. 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/NLC8K1400374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e1880c292434e143b7580dbd1f992049167099a81ff41dc09cf9232e7d6603a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/NLC8K1400375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x730a4d1df7e2f193f7a55ddf383b67ca1220e12049edbbac3ed8062cabafe954. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLC8K1400376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f449ad70609dd53ca8d0695e2b4f750518daa05b044461270210c00d21da4b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLC8K1400377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd7e85075660b59888adea259be116c48a7b9abcb6a50d9f2a0bbe8a95048ddb. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLC8K1400378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a8d3d3fd7a43db487801e5e0195d5b45f2bc4ae4b2e1cc487d23765b0d2d81. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NLC8K1400384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d84e62bc4892c30a0f4633c98eac09327398f4dbe251c1a4364e30e98ec4069. 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/NLC8K1400386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a91c9a6ff98621ca0a88dd9fe486fc764462950d3677ba793c0833a1f7e7f5. 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/NLC8K1400389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13deefdbcacd4d19f37bdbaaf48b7af0bf7ddc3d1dacb1792f9e06c2c4a233d7. 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/NLC8K1400392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c72ddefbcafa93c33c734ce008814c3802cca9af1497b6ca2b4c1bff3ca2ba. 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/NLC8K1400395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f1b871436c7bb85ab422b81fee2c86c191ce2fbe90bf3907957a2d541decdd9. 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/NLC8K1400399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30cf6512c2586d00b4de0dd572053090ad97ad8abc8ef3936a88fc537db65ca. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLC8K1400400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15c1327844b99af57afe2184a2d781517e58ba058bc2985a7868dd335d45281b. 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/NLC8K1400401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5065fe41bccf597b44934e51ef8f6fa0f567b8504914ed729ef9f27bf13aa17. 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/NLC8K1400402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0dfe811a4a91c99fcfc973fcf31da86f007f1febd1a5137e32311b3ae26684. 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/QZS662115271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86c0ca60d6d31e9ba72516f9089d5e2808ceb210405ac319846b4480e12a1af0. 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/QZS652166487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15f7a5fb69326d4c61fbacf6d75b0a8c34f3bb897b97309a14d8b21383d05299. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZS632166845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e27741375977608da955c92d47a710f9309837881c0b7b18c9b59b7e633d08. 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/DEH742300906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0da42fd44607f0d9913454b76c6c071b98e7e71bd9203ff9a632a3cc482f8f07. 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/CH6542241751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb02734df14ae60ed2e8f5066fdde1cb7016b734d6a99e1093b003bb8004a889. 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/TCAGW2396883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200065ed5b162e807785064b1b6152bf4e820a9d7009d6ca4c99fb73e5bde67c. 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/TCAGW2396926.
Various Artists Presented by: E-HRZN Records
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed862bde848faff51c51b75b0ba9887b9d02fdd71063856e59ce1f835acd9bbe. 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/NLCK42210666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce1ab26274efb80a7dad33b9b43f60b692dcd40b79e5e4424b1563d5110b31e. 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/NLCK42210667.
The Mutation Of Our System / 8th Anniversary / Various Artists