OpenTechnical

OT-2026-000050367

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000050367) never changes.

Identity and time

Publication numberOT-2026-000050367 · never reused
Internal UUID01a0ae82-5c47-7771-8b00-68503449b997 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050367
StatusPUBLIC

Content hashes

Canonical text998a840202739649c6cd8e71f793bcf19e65175d88d8ab16bcdfd76b7038bcb8
Markdown3f4e33855a37a3a7a425d336a07d61f0ca23a710ef21db7ef43da2b3360c03bd
PDF
Publication page38a8600122e37326e87360d8194f24f7accd5d2f26b1e9ecd37e704e74afc78f
Manifeste958631c466475300a1620c6448bc3925b0100b4e66797199157e5a868b97e90

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
SignaturerY3ZDdxS5F/NlcZOCfBkbWKsTrZ/jEq4gHuzDV37tm3xe60/A3YFALJolrgbrFzQKQ9MG84cPyeRFwdt3nEHBw==
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

2026-09-17T11:01:24.044353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050367
observed 38a8600122e37326e87360d8194f24f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.026596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050367/manifest.json
observed e958631c466475300a1620c6448bc392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.007690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050367/publication.md
observed 3f4e33855a37a3a7a425d336a07d61f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.990182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050367/publication.txt
observed 998a840202739649c6cd8e71f793bcf1...
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.