OpenTechnical

OT-2026-000088074

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000088074) never changes.

Identity and time

Publication numberOT-2026-000088074 · never reused
Internal UUID01a0ae9b-1aa7-773f-b513-f0a92f4ee514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088074
StatusPUBLIC

Content hashes

Canonical texte038f09f4dcc54b0f2abcd2de60572a6cd8794f3e872d4b3daf2694163952038
Markdown731287697bb52a9eeeb6b47989ff8cc8e5d7dde401d3b68b56e23a6dd55f00f4
PDF
Publication page340f40e6d0ee4d971bf064c836802eeefdb1d9392aeed87fb77bd5f161c5ef1d
Manifest0878e292eae8f492753c0eba801476c32fdd640076176bf17e65f4f587c50ef0

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
Signature2EHufV7KwYhw8NtHFfpjtCUSoB2lpOyXMlgsF3Torb8jFEWw1EJoLyvpDWDjc8dCay8RWDNkLU+qY1NDhH1kDw==
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

2026-09-17T09:50:04.491565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074
observed 340f40e6d0ee4d971bf064c836802eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.469979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074/manifest.json
observed 0878e292eae8f492753c0eba801476c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.453298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074/publication.md
observed 731287697bb52a9eeeb6b47989ff8cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.434695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074/publication.txt
observed e038f09f4dcc54b0f2abcd2de60572a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.657628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074
observed 340f40e6d0ee4d971bf064c836802eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.638225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074/manifest.json
observed 0878e292eae8f492753c0eba801476c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.621009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074/publication.md
observed 731287697bb52a9eeeb6b47989ff8cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.602449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088074/publication.txt
observed e038f09f4dcc54b0f2abcd2de60572a6...
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.