OpenTechnical

OT-2026-000081998

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081998) never changes.

Identity and time

Publication numberOT-2026-000081998 · never reused
Internal UUID01a0ae97-4d91-77d6-9660-20e94b03aed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081998
StatusPUBLIC

Content hashes

Canonical text401e1fad4ecdb60e81744ae7211f1f6edcee674bd44425f364ec8d836f793a0b
Markdownc96b2312c1f358db8707c412b25c1a79a92f4dd366820fac63882a2744a1a290
PDF
Publication pagec6320fcc8596bcef31427c3424eeeb6fdd956b37ae14a9d60b3a9ab71aeb3542
Manifestaf2dbf472d9a9ce1d53a3b9073589d5669dd50e3e04481a8f0d0eee96feb59b3

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
SignatureE+jw1eTN25pyCEcNozDoq1z1CzBgyk7vPceSbpoPMCftePj7p8WqdZefuV7JvoWm+z8gFpBWgCdhIkDNNMvNCw==
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

2026-09-17T09:58:42.527138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081998
observed c6320fcc8596bcef31427c3424eeeb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.503856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081998/manifest.json
observed af2dbf472d9a9ce1d53a3b9073589d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.484828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081998/publication.md
observed c96b2312c1f358db8707c412b25c1a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.466424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081998/publication.txt
observed 401e1fad4ecdb60e81744ae7211f1f6e...
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.