OpenTechnical

OT-2026-000072163

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line 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-2026-000072163) never changes.

Identity and time

Publication numberOT-2026-000072163 · never reused
Internal UUID01a0ae92-47c2-792b-a77d-386ddcd973e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072163
StatusPUBLIC

Content hashes

Canonical text1b1121c38c4c33401b6c047a990a246e53023ffd8b6d8771b738251492811a64
Markdown6708f066dd1af1aa0bda6c536e58a42a17c15ce04951bdd90e69ad1c204fe280
PDF
Publication pagec013f99e1a38457869b8ead2bb856c2d9fe2dc95ac2d5de6e61dd22d3e4c8073
Manifestd9bf5a17fd24ca7a97522cef4c444b76a53c7c1451d3857befc087f08fd78642

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
Signaturepp7Fa6RUxLu5gIGzXhdsxmh4Whe9bJwZmTaYRLBQFJyLv+5WTnH0PrAoFCrvKjUOy3vVtCrSLlz2xQDBM1h8Dg==
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

2026-09-17T10:23:15.656104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072163
observed c013f99e1a38457869b8ead2bb856c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.639206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072163/manifest.json
observed d9bf5a17fd24ca7a97522cef4c444b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.621303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072163/publication.md
observed 6708f066dd1af1aa0bda6c536e58a42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.603438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072163/publication.txt
observed 1b1121c38c4c33401b6c047a990a246e...
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.