OpenTechnical

OT-2026-000072309

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072309) never changes.

Identity and time

Publication numberOT-2026-000072309 · never reused
Internal UUID01a0ae92-47c3-7d08-97fe-8d39433ee27e · 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-2026-000072309
StatusPUBLIC

Content hashes

Canonical texte078307ac17e10b4c4902165057170fbb8e8a7a0d1bd429cb07db8d5670353d8
Markdown4afa2d81f8891ff360885cda657e474e9ef6908869258ad9f12d451f0d8fc561
PDF
Publication pagea11ab191c08172e1d65be6c5f9691feb05c698d8e2ca83afb2a0f0d2f7599cee
Manifest09141f71bc4ebd2e62388975e1a763ada44633c85a488bac51e840752ca20052

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
SignatureJjscnBvXBbhS5arwIAGk5VE8Ag0Q6lSTwwFo8Q/AYQSUqjg7pg+2Mi+yZQwElrLzfTxPt1umMExTli8Aq1z9AA==
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

2026-09-17T10:23:31.961600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072309
observed a11ab191c08172e1d65be6c5f9691feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.945633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072309/manifest.json
observed 09141f71bc4ebd2e62388975e1a763ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.928439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072309/publication.md
observed 4afa2d81f8891ff360885cda657e474e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.911640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072309/publication.txt
observed e078307ac17e10b4c4902165057170fb...
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.