OpenTechnical

OT-2026-000044163

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000044163) never changes.

Identity and time

Publication numberOT-2026-000044163 · never reused
Internal UUID01a0ae7b-d67b-7d8b-8138-8ffefeb07b7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044163
StatusPUBLIC

Content hashes

Canonical text9d04934bb18346ffdc123f0c7a2fec8b9156c278a0d014b454d6d3b2b10037e6
Markdownff63c4569702101dd6371653b11ad949fe6f45a540d381cacf70693666a8cd7e
PDF
Publication page4d3e60ce219952194dcd823b47b35023bf6595ab383f0ae87b6519cece5ba6d0
Manifest60eae25668b14e03e651bd242192b4aaff2415b94d42fcfc5129cb4b12bed917

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
SignatureAgIuNyOrAG8Uo0YA/DGFClUvI9lsnO3VrahaRqdr1CoI+rNumSu1oal4LK+V7dUxFRj3xGZXi9rLLCjzBUXJBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:35.533992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044163
observed 4d3e60ce219952194dcd823b47b35023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.514643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044163/manifest.json
observed 60eae25668b14e03e651bd242192b4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.493816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044163/publication.md
observed ff63c4569702101dd6371653b11ad949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.474016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044163/publication.txt
observed 9d04934bb18346ffdc123f0c7a2fec8b...
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.