frame|right|Slim Gaillard (behind) and Slam Stewart Slim & Slam was a musical partnership in the late 1930s and early 1940s consisting of Bulee "Slim" Gaillard (vocals, guitar, vibes and piano) and Le
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 0xe2e63c9d81b88da534f5232fdb8cec6da095cd6b0a54bfff68c14ef310c4fa9f. 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/791c78bc-69ba-4f96-8197-16afde6f7f28.json and https://artists.proofprofile.net/proofs/artist/791c78bc-69ba-4f96-8197-16afde6f7f28.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 0xa37192227df65d4e1c1f9b022d2af38e15be06ad9150f9e211746cca77cb5a95. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/DEXO52492451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af69bad520d5c5429c95cb05ab7e7e219ffa21b75e4bd5a68e6c4c16ce1ba9a. 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/DEXO52492453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x853f71bdc61168c1085246efc3c72804c2902d57b85b004ec4a414236d2e44cb. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/DEXO52492454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x354f8fb2233dcf1cf60de52e84ec40d2ac92e2f8048817a49b9cdf874f1010c0. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/DEXO52492455.
A-Well-A-Take-'Em-A-Joe, Crap Shooter's Jive
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b037c7d573dd7a6f6874836d0dddcf44e55a1c21aee315bbbd48266acfe322. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/DEXO52492500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d80cbca030d1f27f1c960c8b09129ca9a39baf48db90b154d3e3ccc387a1c3. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/DEXO52492513.
Slim & Slam, Bulee Slim Gaillard & Leroy Elliott Slam Stewart
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2240672ef8e0b240426b96152ea06a80c93012327854c4c0b35c3b4a17217a4. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/FR0O70820685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef781a1e427d41a5e32d6a4a884acc9961a413947f6e4d9d065ae0e41e5d1b18. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/USHM80598642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9557c2e6dbed9283f0136dace009181f31f47970f2152ea284ab48b8649141c1. 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/USHM80598644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03019de7c1c54a1f4d3d72d41cfa02a73c0499811cb4af778b3872bc8ca2d266. 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/USHM80598650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026a99bb8ad2e8114aaf8b2fe50cc5eb7bf8dcec7f010c8a1ef02728a84d2bce. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T08:37:45Z), 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/USHM80598651.
Slim & Slam: Original 1938 Recordings, Vol. 2
Slim & Slam: Original 1940-42 Recordings, Vol. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x625b42fdd4a201044daf775d66e23da1a4781ea9a9cf7bf25ba8a470e0a7fa05. 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/SE2IL9200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c985b136b4f174aee3019fb78a50a5d71f114fba10c55eccd06fe9420155e25. 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/SE2IL9200105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dbd487468ea489381a4527415782ffdba05291dfc98880c08aaa48b97c0a937. 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/SE2IL9200109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd87652578699c37c859d382242f221576f0aa1b5a82ba0de7ebbaf37a7bc6255. 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/SE2IL9200112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fbefba94950910a591ed10d2e1434a2d4ee38021148a9b3ae7bc52edbbc1ed0. 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/SE2IL9200115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212c82fde9853cf154326a6078519a9619d5aed8646e0ff3fc45fec2714d24e3. 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/SE2IL9200116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5932025b569157669f05100388dfd78b3a2fac40a03f5a0e7d5d004f6ea211. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/SE2IL9200119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3885eb55b4c0274e0f7e3e9dc343045b9e4a65f33d6bb5961292e4f6049b1b46. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/SE2IL9200121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a544890b7a95dc8d980a2eb8e28bf47ee8d27953247dac98ca041f11f13d86. 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/SE2IL9200122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa88708e622910bf44d9aa3d3ad91855b1a7040d55b01c1dbf2d75046698ffd. 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/SE2IL9200123.
Slim & Slam: The Lost Recordings (Remastered)
Essential Classics, Vol. 1088: Slim & Slam