OpenTechnical

OT-2026-000089868

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089868) never changes.

Identity and time

Publication numberOT-2026-000089868 · never reused
Internal UUID01a0ae9c-428d-73d0-acf6-b205f56a1c01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089868
StatusPUBLIC

Content hashes

Canonical textb1cee3fe823f57d6003f49f3802c4ac15aa30f9d30ba2ddeb76bef175c5c3550
Markdownfa23541d53fcdb3608935e2989398a67bc56d1650e95d04800a2f3010096cb18
PDF
Publication page4cc0f8f90bf3c734858eb7293400f21839738d847114f22bbd3356bfed4a40fc
Manifest9bfa074cc46e59df091ea04117fc69f05b1121ba16f895bcef55e009f4117310

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
SignaturedqVkYfW8b0+pSs2BaJtP/j2ypDtjgvg36ntKzV1lZo7ELjlErjMAe8dlj5bWuqxaPd7v1LNszF6TLbblWpGhAg==
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

2026-09-17T09:45:07.341996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089868
observed 4cc0f8f90bf3c734858eb7293400f218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.323888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089868/manifest.json
observed 9bfa074cc46e59df091ea04117fc69f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.305561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089868/publication.md
observed fa23541d53fcdb3608935e2989398a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.288213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089868/publication.txt
observed b1cee3fe823f57d6003f49f3802c4ac1...
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.