OpenTechnical

OT-2026-000023067

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed 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-2026-000023067) never changes.

Identity and time

Publication numberOT-2026-000023067 · never reused
Internal UUID01a0ae70-46ed-7e0b-b54b-00e6d43090aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023067
StatusPUBLIC

Content hashes

Canonical text4a8d6abbf3e52c6fd16b63db34d4afa3277a92b3083a35b45ccf77f314ad2f64
Markdownef4bb9e381fb017dcf0df7d4f08dd4764d791ac891f49be4da94ace336fae415
PDF
Publication pagedd8884489ce72d9dbf7eb0293e5a6221b3d6aeacecd9dc3f35652e66f8551c64
Manifeste9df2c80eec1ba8a9add07c9e5dc968766a1e70b92dfd5aba210d34ff396a7f9

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
SignatureM1iRGdWmiHFMmXJ/JVo+AY/MACvqjO2a23uTnL4/PsV5cAGIJqAb4bUnmTjImbyDGlWZwN5OsQJoxh3tQm7+AQ==
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

2026-09-17T11:52:41.432927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023067
observed dd8884489ce72d9dbf7eb0293e5a6221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.411154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023067/manifest.json
observed e9df2c80eec1ba8a9add07c9e5dc9687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.389862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023067/publication.md
observed ef4bb9e381fb017dcf0df7d4f08dd476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.370468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023067/publication.txt
observed 4a8d6abbf3e52c6fd16b63db34d4afa3...
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.