OpenTechnical

OT-2026-000006717

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, ejector fed, pressure verified, rubber cups

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006717) never changes.

Identity and time

Publication numberOT-2026-000006717 · never reused
Internal UUID01a0a964-faea-7da0-9ad6-0d56bc767ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:02.476686Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006717
StatusPUBLIC

Content hashes

Canonical text9209ecdde5f62dac4887aa883e4ac0b7fdcbe94cb5111cf6e53b4de11da5f60a
Markdownf7d8026642832d1d2603f7523c24c73b78f4143d8498d60325589621b910c70e
PDF
Publication page5dc9cf7bc047b4c362d661e3a651502f9eec89d53e97d2d9cc80394763cb7504
Manifest5720ddd99166e9ac0d21d96dbf30cd4f347bafafbee7929fb9dbd5eca7582db6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturenBePRSvqjncbs0ECqXXmxqulAXdaRWXli89xGxCw+4T1Adb4nUa+X2Nau5YwAVHKTd09EvFnqYbXEarcgDoHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T20:41:04.657213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717
observed 5dc9cf7bc047b4c362d661e3a651502f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:04.524003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717/manifest.json
observed 5720ddd99166e9ac0d21d96dbf30cd4f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:04.380802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717/publication.md
observed f7d8026642832d1d2603f7523c24c73b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:04.245347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717/publication.txt
observed 9209ecdde5f62dac4887aa883e4ac0b7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.956901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717
observed 5dc9cf7bc047b4c362d661e3a651502f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.942949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717/manifest.json
observed 5720ddd99166e9ac0d21d96dbf30cd4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.930303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717/publication.md
observed f7d8026642832d1d2603f7523c24c73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.916843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006717/publication.txt
observed 9209ecdde5f62dac4887aa883e4ac0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.