Sierra
type: MusicGroup
genre: ccm
genre: christian
description: Sierra (Spanish for "mountain range" or "mountain chain" and "saw", from Latin serra) may refer to the following: Places Mountains and mountain ranges Sierra de Juárez, a mountain range in Baja Cali
popularity: 11
followers: 1354
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb33793648c7c62ef9a95002beabe7a19bb8ba6acedc3b23706f8b9ab24afec01. Chain 2 (Bitcoin): anchored in block 953724 (2026-06-15T01:43:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e2982cc-fa7a-4f92-80b4-f7095318688c.json and https://artists.proofprofile.net/proofs/artist/8e2982cc-fa7a-4f92-80b4-f7095318688c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:43:13Z
album: Sierra
  type: MusicAlbum
  date published: 1994-01-01
  track: When I Let It Go
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219533
    explicit: false
    by artist: Sierra
    in album: Sierra
      type: MusicAlbum
      date published: 1994-01-01
    genre: ccm
    genre: christian
    isrc code: USCM19457274
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab5460ffab39378adcb840d4385dc862e87c66cf6eebff54ac3656600529776. 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/USCM19457274.
      date published: 2026-07-04T10:04:33Z
    audio: When I Let It Go
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 83.992
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.579
      additional property: Energy
        type: PropertyValue
        value: 0.695
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.153
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.175
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.325
      additional property: Loudness (dB)
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        value: -6.298
      additional property: Key Name
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  track: No Stone To Throw - Sierra Album Version
    type: MusicRecording
    duration: PT4M27S
    duration ms: 267506
    explicit: false
    by artist: Sierra
    in album: Sierra
      type: MusicAlbum
      date published: 1994-01-01
    genre: ccm
    genre: christian
    isrc code: USCM19413213
    additional property: CopyrightID
    additional property: CopyrightStatus
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      value: registered
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T02:05:55Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc346422047873f070cea8dc864bc781c725baaad863c8c7a60058814e79377a2. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/USCM19413213.
      date published: 2026-07-22T02:05:55Z
    audio: No Stone To Throw - Sierra Album Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.779
      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.015
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
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        value: 0.085
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Story Of Life
album: Depleted Oxygen
album: Devotion
album: Interlope
album: Anny Jack Sampler, Vol.2
album: The End Of The Beginning
album: Mistah
album: Decadence
album: Pslip
album: The Final Round
album: Freedom Remix EP
album: 72
album: CAN'T TAKE MY EYES OFF YOU
album: Sierra Sierra
album: Time to Say Goodbye
album: The Orneries
album: Sierra EP
album: Miss Me, Miss You
album: TREASURES
album: Dirty Thirty
track: Say You're The Only One

Valence (Positivity)
type: PropertyValue
value: 0.669

Loudness (dB)
type: PropertyValue
value: -6.073

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Story Of Life
type: MusicAlbum
date published: 1998-01-01

Depleted Oxygen
type: MusicAlbum
date published: 2000-01-01

Devotion
type: MusicAlbum
date published: 2006-01-01
track: I Know You Know
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246000
  explicit: false
  by artist: Sierra
  in album: Devotion
    type: MusicAlbum
    date published: 2006-01-01
  genre: ccm
  genre: christian
  isrc code: USCM19613214
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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    value: 2026-07-21T18:54:21+00:00
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    value: https://explorer.copyrightchains.com/tx/0x2343cc23d589d3c6b7f1d4eded80ec127815903a1fb58499dac37a3d42a85d1f
  additional property: OTSHash
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCM19613214
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T19:17:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2343cc23d589d3c6b7f1d4eded80ec127815903a1fb58499dac37a3d42a85d1f. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/USCM19613214.
    date published: 2026-07-21T19:17:28Z
  audio: I Know You Know
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 207.698
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.461
    additional property: Energy
      type: PropertyValue
      value: 0.425
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.202
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.156
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.46
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.34
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
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Interlope
type: MusicAlbum
date published: 2010-07-02

Anny Jack Sampler, Vol.2
type: MusicAlbum
date published: 2010-07-16

The End Of The Beginning
type: MusicAlbum
date published: 2010-07-16

Mistah
type: MusicAlbum
date published: 2010-08-06

Decadence
type: MusicAlbum
date published: 2013-10-05

Pslip
type: MusicAlbum
date published: 2013-10-31

The Final Round
type: MusicAlbum
date published: 2014-03-19

Freedom Remix EP
type: MusicAlbum
date published: 2015-07-10

72
type: MusicAlbum
date published: 2016-06-18

CAN'T TAKE MY EYES OFF YOU
type: MusicAlbum
date published: 2016-12-13

Sierra Sierra
type: MusicAlbum
date published: 2017-05-29

Time to Say Goodbye
type: MusicAlbum
date published: 2018-04-01

The Orneries
type: MusicAlbum
date published: 2018-04-01

Sierra EP
type: MusicAlbum
date published: 2018-04-20

Miss Me, Miss You
type: MusicAlbum
date published: 2021-07-30

TREASURES
type: MusicAlbum
date published: 2023-11-03

Dirty Thirty
type: MusicAlbum
date published: 2024-11-01

Say You're The Only One
type: MusicRecording
duration: PT5M34S
duration ms: 334426
explicit: false
by artist: Sierra
in album: Classic Freestyle Vol. 2
  type: MusicAlbum
  date published: 2007-12-01
isrc code: USGZ20602009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-27T04:15:13+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xad61a8d0972b413dd7fa6b6efce490db502bbf2fcd801e49e4d6b1ff48916c31
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad61a8d0972b413dd7fa6b6efce490db502bbf2fcd801e49e4d6b1ff48916c31. 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/USGZ20602009.
  date published: 2026-07-02T03:55:08Z
audio: Say You're The Only One
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 131.714
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    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.728
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.769
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.439
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
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    value: Minor