OpenTechnical

OT-2026-000012107

Publication integrity record

Foam pad vacuum gripper, three zone face, single 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-2026-000012107) never changes.

Identity and time

Publication numberOT-2026-000012107 · never reused
Internal UUID01a0ae6d-39f4-7f61-ad82-83c0ae6438a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012107
StatusPUBLIC

Content hashes

Canonical textcf10e43abd017b88228f68659ef620281f374bff36f99db5c84995ad2bb0ab1f
Markdown73d43c0c66a227a2f5d446ad50897b2d57f32898fb97357886cd5adaffe602e3
PDF
Publication page1dd439087a20f8511600b6f68b36db1311c9322da51a354e03a8cf0db079f673
Manifest541c54a1b4bf0b9ceb87ed0883c2812e64fdc9a9c40c7b35219cf60d7593425c

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
Signature+SBFVGiI7DqjpFp/IHvGUNauQEkRjP+6XfwaedOV5Bv7pLp8pf7x+2Qal93iosHWspvtTJHm7pLMhYM0tlMUBw==
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

2026-09-17T12:10:59.116639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012107
observed 1dd439087a20f8511600b6f68b36db13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.091620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012107/manifest.json
observed 541c54a1b4bf0b9ceb87ed0883c2812e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.073396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012107/publication.md
observed 73d43c0c66a227a2f5d446ad50897b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.055259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012107/publication.txt
observed cf10e43abd017b88228f68659ef62028...
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.