Lowdown may refer to: Songs "Lowdown" (Chicago song), 1971 "Lowdown" (Boz Scaggs song), 1976 "Lowdown" (Xample song), 2007 "Lowdown", a song by Tom Waits from the album Orphans: Brawlers, Bawle
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 0x0f8cb2b02c01e42ebeb419c7669b4067d7acb68c552867279f75657eb9025524. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/076bdf95-c93f-49af-9983-9b02cfe0f21e.json and https://artists.proofprofile.net/proofs/artist/076bdf95-c93f-49af-9983-9b02cfe0f21e.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 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 0xc52ecd53492f6a06a240128c73df5151a887179a38f5df3711b8b7a036c51500. 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/USLD91719687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4797c735538d226fdc64d84af3d0760867560ffc5db63202db56302c1cdef8af. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/AUXN22150566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8100c994c6f0566ca84ad8b764b1bb1e8d45c4d1ddbc6f5e242ff2b8e4ff9c65. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/AUXN22337030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3f5fdd52133d713c475b83da9ec49d470c8f2a2c917fa7deab68a063c4ce31c. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/AUXN22407507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfac66386710fe1ca9a54617b7dd255a3500819d582d45e67bd744b8a03ee430b. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/US38Y2401142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e152832766ff9cdd4b7c0523e870e231d22fa4f61c332a5189466f816f94b9. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:47:32Z), 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/AUXN22450143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa86592f1c21069c5a72d4fd133a9579ba40b2d4184f34e927c0bc122d2b23e59. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/AUXN22492947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd45245cf640a6cdf6237ed8a431c315d215858c0453cfda2eb7ac7edd7ca903c. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/AUA9R2400045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf64659d1f19b1a91d5aa6ba75d183b1449d0c01e1bd32f9c67aca4d3c40c03e. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/AUA9R2400044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04d047944e179e12647a1a518814c04f53b50f9018b762e59d594aa7ff558fd. 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/AUXN22502424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574fc070d193871294affbfaa08f76020fdb7e4ee2b7e526e932687b9806580f. 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/CA5KR2514267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eeaa258e310ad940be90737f001d3c87155c61e79ff30f2845dfe9caf935c45. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/AUA9R2500060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be9ae6348e8f405feeea971f722dd4126b8b6396b8216f3613ff2ec360b2146. 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/CA5KR2018857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72d166aa2bbbf4bc4d68a1be9dbedfbfb4d352105d5a515e13b417c2a22740cd. 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/USLD91712645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0e063fa55b7f94ce43163733333ca583f115ce735fdaa91b7abe48f34d94f1. 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/FRX202056071.