OpenTechnical

OT-2026-000074303

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000074303) never changes.

Identity and time

Publication numberOT-2026-000074303 · never reused
Internal UUID01a0ae93-7179-7fe1-aa75-fa507452105d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074303
StatusPUBLIC

Content hashes

Canonical text08d11d5a840a59d15dcc33cd359eaba57936c20c8dbe902752655fc007327402
Markdowned10d01fe3921c99b3ca80197b802c4cc440b42953eb7467cc4e2f9306ceb2f3
PDF
Publication page6be380976f75a657820f7ea8779118fc21e43ef642485316ae0afa70559b9966
Manifest18d908d5b0a7658edee0917be313eb666960401738adc79ba06fa25c7134327b

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
SignatureL5cjCY0ww4xMPyBK82FXGwdyh/ssevR2iWpu11PZahgFkWxTlVUrYTtvvA09gERWCH5b5/p4YjqLDkPIis1HDA==
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

2026-09-17T10:19:08.579988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074303
observed 6be380976f75a657820f7ea8779118fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.561578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074303/manifest.json
observed 18d908d5b0a7658edee0917be313eb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.543367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074303/publication.md
observed ed10d01fe3921c99b3ca80197b802c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.498127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074303/publication.txt
observed 08d11d5a840a59d15dcc33cd359eaba5...
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.