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 0x5148694f6cea1b3743bd75e6ef3ad185134d244ef5cf87248864440319ac3118. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/80cbce0d-76d7-4c77-8ea3-129b02fc3ecc.json and https://artists.proofprofile.net/proofs/artist/80cbce0d-76d7-4c77-8ea3-129b02fc3ecc.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 0x5be6c2045f86d7bc09007ce9fd62d9dd5dcf4fcdac8ea7a423fbaa59b7e4942a. 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/GB8XC1419244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c59f34178281c0f62857c9684422b21ea63f118dd21e7f7d42ff344764beb1. 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/GB8XC1419245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426770258cae05fa8aae7738dd0f647c276e118092fb280e30a351c3855a020a. 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/GB8XC1419247.
The National Anthem / Escort to the Colour / Grenadiers Slow March - Live Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03959e41fc17198ccbb8d3df9c47cbbfbfb1b46ffdc9cd06eae83c261f8280c. 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/GB8XC1419248.
St Patrick's Day / The British Grenadiers / Hielan' Laddie / Milanollo - Live Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11a682ce1ba6d7e01a494e719bf3d7bcc42eb6f0b7247d4aba6a138ca56c5ca5. 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/GB8XC1419254.
Let Erin Remember / Scipio / Garb of Old Gaul / Figaro - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x813aeb5beb63178b2f11f1d85b37e18668d4cdf8df66c51ef745ee1590b42212. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GB8XC1419251.
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 0xa9c47f86dfe09b84f5cfaa3828c7ef55d28a284e886af1882a24c2b42daaa17e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GB8XC1419253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b6b05a894a44810ab9c8399485923171028c5790267f5ffb27a6f140395279. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/GB8XC1419255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4340407685bb45ccf59c86e91f403e86a1433edc8610d55c7a8530d3771aeb91. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/GB8XC1419262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aeaca928a6b4d8981bc6bf438958da3b62e6d97f26b7ecce0f47096d19d2fec. 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/SEWDL0656102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e491824a71a9d7d18e75058b1a13831e138a01f76c356d04364cbf8fc70032c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/SEWDL0656106.
Let Erin Remember / Scipio / Garb of Old Gaul / Figaro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1934a9157069c03aaa8b3badfba615458d00cc0335aa7f39a173ebe600d0e075. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/SEWDL0656110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30260a90de44eb20444706d5ad7faf6c6939b2a817f432351d1080819c5502aa. Chain 2 (Bitcoin): anchored in block 958041 (2026-07-14T18:13:17Z), 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/SEWDL0656111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c36ae2d0a0555256922aaf2d7ff2ce2572ee2ef439b0a4b5da9c8bdf1b111d. 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/SEWDL0656112.
St Patrick's Day / The British Grenadiers / Hielan' Laddie / Milanollo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x171fa6e5861ccb322ec12793ef5ab512a531714b201f844f3c67875735f5c522. 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/SEWDL0656113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6291b8721429c8c308f538be5c0032925f49423684a7db3b11931cb38adbf03e. 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/SEWDL0656115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2ae0920dcfd6a6fb00f2cd62fe771e665d2a8f9af207cf2e2aa036db9ccd83. 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/SEWDL0656117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7194115f7ebf1b4ad81a9d39e9f08e48c47484b5890d5fa6406a8b3a1f42ddf4. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/SEWDL0656103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c0e439555dfcd208d0d455d6d48a98c0226fb0fc6922e2fa7efdce4a6b3b72. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/SEWDL0656104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb34e41e552206e35aabd6f5848d16e2db7a3061675cc1b893a6796f6e0f1a32. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/SEWDL0656105.
The British Grenadiers / National Anthem / Escort to the Colour / Grenadiers March
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33bfd07642652c6e4e85c97cde570436f8482e1a4132b490b864e82b530bd4bb. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/SEWDL0656107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ebdea483f3f6e61f9d529f05b5e273f3eb8e73f74a4d9c3d73e16d9fc24bf5e. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/SEWDL0656108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa659be1568384cd435873feec499bd5bf90ff7fafa06c161692020eb8cb2a76e. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/SEWDL0656109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefdfdd0fb4b45535dfd8969cc2ea5f40fca871cb6842a9d83e368461359a5b1a. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/SEWDL0656114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3519f34780f73e0dc2b9d3a062159fe27f834f5285a428b87e0a4ab2b07e0b2. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/SEWDL0656116.
The Life Guards / The Blues and Royals / The Royals / Phil the Fluter's Ball / The Keel Row
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e7c1e93a1bd1ad210bfb36c8c0d14224a01ea21a023732c0afbe0360bbd65eb. 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/SEWDL0656118.
The Adjutant / Preussens Gloria / Erin My Home
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26459db7e19ccb49c0c574aca5165e8de13a2b2cfbfc1ee9a78bf2b8f7f48314. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/SEWDL0656120.
Old Irish War Marches: O'sullivan's March / Brian Boru's March
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf69bcee5c137ee8a17c6684674f476a3af8102f1a009b2f3367ed4d8d16b1012. 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/SEWDL0649803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe328f5b8eeb9bce86ce774a72c77f609ef505f060bd7501c22070abd7a8f9859. 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/SEWDL0649806.
Johnny Reb Selection - American Civil War Marches: Johnny Goes To Texas / the Rose of Alabamy / Marching Through Georgia / Dixie / Johnny I Hardly Knew Ye
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd455a2a917dd1a5841dd557d5e8cdbfd85758acff327bd0b1ed6ba5f5cedd1. 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/SEWDL0649810.
The Minstrel Boy / The Girl I Left Behind Me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31924f2cd7aae5d42d9976b40878825ccaf8d421548a77dadd087ac51588920e. 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/SEWDL0649816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd02bc79672ef295eb11a3c82f88b8210f21bc07fe4b198e4d4ab32b78bad811e. 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/SEWDL0649824.
Company Marches of the 1st Battalion Irish Guards: the Holy Ground / the Boys of Wexford / the Green Glens of Antrim / the South Down Militia / the Star of the County Down
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44505807384b8a951d57fa0c206983ed82376c00f69bdba96b330640067f876. 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/SEWDL0649802.
Irish Slow Marches: the Black Velvet Band / the Wild Rover / When Irish Eyes Are Smiling
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf2aa1c665c50e360f483d55b26da4e0cf2ee8c848425644188a0b7942e98dc. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/SEWDL0649807.
Shamrock Selections, Irish 6/8 Marches: the Kerry Dances / the Galway Races / Home Boys Home / the Hot Asphalt / Dear Old Donegal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a9c359631f372b4aed041d0caaa40e43314af8a599b4f7424dad98dbdb29a12. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/SEWDL0649808.
Irish 4/4 Marches: Kelly the Boy From Killane / Fainne Gealan Lae / Mcalpine's Fusiliers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4609dcd9d3bdb04da551598506d1bd3fce6ea11e78def3f4fcf2b4ce6c9ff9a. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/SEWDL0649818.
Irish Quicksteps: Garryowen / Nora Criena
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a880f111a3adfeb68b1540f9313780eb016284f2d6621f8cf845a58224c215. 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/SEWDL0649820.
Regimental Quick March - St Patrick's Day
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c356cb066106ec239c7ec09df27d74c47e2c4afd5d695b421a0f5540df6ced1. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/SEWDL0649827.