OpenTechnical

OT-2026-000071941

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000071941) never changes.

Identity and time

Publication numberOT-2026-000071941 · never reused
Internal UUID01a0ae92-47c0-7998-9dda-10d13909589d · 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-2026-000071941
StatusPUBLIC

Content hashes

Canonical text8e4c06d15b80bc3e3deb1da19e95280c21533de5d71633e78b95dca6d22c574e
Markdowna6c2f4d49d37a77ccbfd84437164100aa2b24d5158b8b740c09f63f62769b94c
PDF
Publication page4b0790324bf7dd0972cfeb770625c828257c1166060374bf663ace4199fbd9cf
Manifestf5b031bb4f832dc0264aff6b823d6f759cf4a8fc9246d07c624af94487bfde81

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
Signature7svRZwrci1Wyf/+Q6fMAeedm8MXcJyU55dzF5uugjdFGyegNxHvZSytyd32ARYOZpq2Lk5Z6XU9hRYWnzim1DQ==
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

2026-09-17T10:22:58.437716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071941
observed 4b0790324bf7dd0972cfeb770625c828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.420403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071941/manifest.json
observed f5b031bb4f832dc0264aff6b823d6f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.403450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071941/publication.md
observed a6c2f4d49d37a77ccbfd84437164100a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.387458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071941/publication.txt
observed 8e4c06d15b80bc3e3deb1da19e95280c...
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.