OpenTechnical

OT-2026-000069881

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000069881) never changes.

Identity and time

Publication numberOT-2026-000069881 · never reused
Internal UUID01a0ae91-1860-79c6-89d0-070ae7d66855 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069881
StatusPUBLIC

Content hashes

Canonical textd04a824482eba526093c906eefdf52241c0d5a2e57026f5d4702637a12c470ad
Markdowne265160b03b6a75d1a317d1b48bd6fe447ae583efa699cb0f2a02b3f8022a43e
PDF
Publication page7d27f83a3541c2ef9cf015e69f538e308e431177175429ef6601548bbd826875
Manifestc836110ca9aa7142e45e832a17c76abea9e0a3ef1aecc713d6df3bb9e33e744f

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
Signature+F9CUJ3i0HCDtAMxatoIFkRwAVkblyNhucOdIlUpkT2eXL1olDU+/+VqVwW3kgUEBs8r2ejblJ+hMRZhfeE4CA==
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

2026-09-17T10:26:42.648903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069881
observed 7d27f83a3541c2ef9cf015e69f538e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.632214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069881/manifest.json
observed c836110ca9aa7142e45e832a17c76abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.613747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069881/publication.md
observed e265160b03b6a75d1a317d1b48bd6fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.594780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069881/publication.txt
observed d04a824482eba526093c906eefdf5224...
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.