OpenTechnical

OT-2026-000069231

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069231) never changes.

Identity and time

Publication numberOT-2026-000069231 · never reused
Internal UUID01a0ae90-b528-730b-9837-90c38eb287b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069231
StatusPUBLIC

Content hashes

Canonical text46326227b43eb6afc2444aa0d5ba8f6dff3ff82dafe023aaeffecac16fca7ab0
Markdown0cdc9b1e9c27a780eeda621bd2b103660b4a9286d0e5d0e566dbc69f26965326
PDF
Publication pagec22ed854175a9c059742a2701b7f9c85888c3422e0f75a03e6abc4e2f6d83b89
Manifest53a0816ea864ccfb89fcb1aca6f912ca273893d0e840291e699682e04550db34

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
SignaturecCBwziM4C1IVnsJ82uZfuil/gBgbffdu4d57KmAA3o27yWsobs58rD7Krh14eCORVvrhgdG8McDA7FDKz7MmAg==
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

2026-09-17T10:27:17.955994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069231
observed c22ed854175a9c059742a2701b7f9c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.939847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069231/manifest.json
observed 53a0816ea864ccfb89fcb1aca6f912ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.922008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069231/publication.md
observed 0cdc9b1e9c27a780eeda621bd2b10366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.901133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069231/publication.txt
observed 46326227b43eb6afc2444aa0d5ba8f6d...
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.