OpenTechnical

OT-2026-000074997

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074997) never changes.

Identity and time

Publication numberOT-2026-000074997 · never reused
Internal UUID01a0ae93-ac2d-7546-828a-11dba891c111 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074997
StatusPUBLIC

Content hashes

Canonical text09dd1fd42d8aea25b72322a7f7af9d99e51ba3816c6b3df4ec594c965dc355a5
Markdown33d80ff7f0f7e4997c64c637649dc8602fc77ed3bc85bab09adc4a239adaa9cc
PDF
Publication paged4ca9058c611f0e7bcc6a674716afeafe2c184e0f0045bce2cd2f2b2b215c016
Manifest0b3b2b3bced06628842fe36d7c93f2ad829c3e27553ef56d236c42197870de73

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
SignatureZE2cf2e46nEqlWFoiF1Q9MLKXTTiGeYrPW/DveeWSnClyq2n6ks2lGYmgHOjGVUuGLk9tIZX/o356ZENUiZ/Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:48.286011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074997
observed d4ca9058c611f0e7bcc6a674716afeaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.267507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074997/manifest.json
observed 0b3b2b3bced06628842fe36d7c93f2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.249665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074997/publication.md
observed 33d80ff7f0f7e4997c64c637649dc860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.232724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074997/publication.txt
observed 09dd1fd42d8aea25b72322a7f7af9d99...
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.