OpenTechnical

OT-2026-000072913

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000072913) never changes.

Identity and time

Publication numberOT-2026-000072913 · never reused
Internal UUID01a0ae92-c814-7e87-8182-9c4086bb9869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072913
StatusPUBLIC

Content hashes

Canonical texte71c07248d3391ee995ebd7713dacfaf984f4226701aa48a0ee3dfb4147c8912
Markdownd5aabaabbf461a1682273a500bcaa6576fef798c8f44d8cf0cef0821b5b41640
PDF
Publication page4da8dd82fa261449107af1771352a787d3b31209ac5880c301b2a0662998c192
Manifest0fdee9e05bbe5800b653e713a6254ec27f576ef25b09b61853ebaebdae0363ab

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
Signaturer3NWekduNKfNA+GzbVRzEhueBb0atuWEA4iJ5ZwfJsjLumI5cXKeI3J/UkgmMUjZlU0dOdVPFAcYytUm24NKDQ==
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

2026-09-17T10:21:49.468460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072913
observed 4da8dd82fa261449107af1771352a787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.451518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072913/manifest.json
observed 0fdee9e05bbe5800b653e713a6254ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.434376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072913/publication.md
observed d5aabaabbf461a1682273a500bcaa657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.416806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072913/publication.txt
observed e71c07248d3391ee995ebd7713dacfaf...
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.