OpenTechnical

OT-2026-000067213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000067213) never changes.

Identity and time

Publication numberOT-2026-000067213 · never reused
Internal UUID01a0ae8f-1500-77fc-9c28-cfffbba853f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067213
StatusPUBLIC

Content hashes

Canonical text9d7514e6f0bcefcb9168fbeabb33811e399996832a695d48ef9093ce3a5fa4eb
Markdownac74bd3846310ba221556fc6c3678ccf74f5af3eddffa6034c5a48268fed108e
PDF
Publication page9be616fa553438ad85657f0937d7f511119ebd05edf56381230f9f9e9e0aec18
Manifesteb4ed2c9705dcef65661325297e5fe687b32fc6e72b417d30dabdf69fa35217f

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
Signature3AHycKpCiBc1uSk4Ewn4bIT7lSeLQBwxh1aMuTR4A2v2j08EevUncs14ssRxGRMbI5msyYQt4qQwUhZ5JStNAw==
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

2026-09-17T10:32:30.182405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067213
observed 9be616fa553438ad85657f0937d7f511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:30.166925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067213/manifest.json
observed eb4ed2c9705dcef65661325297e5fe68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:30.151375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067213/publication.md
observed ac74bd3846310ba221556fc6c3678ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:30.135374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067213/publication.txt
observed 9d7514e6f0bcefcb9168fbeabb33811e...
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.