OpenTechnical

OT-2026-000025889

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025889) never changes.

Identity and time

Publication numberOT-2026-000025889 · never reused
Internal UUID01a0ae71-a83e-7195-b57f-15c7f672b420 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025889
StatusPUBLIC

Content hashes

Canonical text038c2c6e5401aa8c470e426924edd2c1775fbc0e905d0bf01b818ee6922282ec
Markdown17e8cb6c1b7b7032da400b6df3d09e833f96fcb4fa25eb9f6f980ac3b589dbb8
PDF
Publication pageef32768044a533bdfa3dce095e54b7c006f5a32b840d0a7d503073de13f6e2b7
Manifestb65ea470c9f56e31c95a1c321b8cb2fd6da4424d2ee9fa8723b0283901043189

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
SignatureCwa0vSNqA4R7pE0FMj/9ClQSFbOQyj1tnYS2chDiTvMf5EpUIE+PoICpG7ZfCCv9cDHldEa2ytiHR6X2Y8AuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:13.856274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025889
observed ef32768044a533bdfa3dce095e54b7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.839703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025889/manifest.json
observed b65ea470c9f56e31c95a1c321b8cb2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.821616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025889/publication.md
observed 17e8cb6c1b7b7032da400b6df3d09e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.803197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025889/publication.txt
observed 038c2c6e5401aa8c470e426924edd2c1...
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.