OpenTechnical

OT-2026-000092800

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000092800) never changes.

Identity and time

Publication numberOT-2026-000092800 · never reused
Internal UUID01a0ae9d-b601-7a45-af26-68fca0280a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092800
StatusPUBLIC

Content hashes

Canonical textc5b25b9f8c71e9d7214ae78e23850c2b957dc4b9dd50a5b28a706d0f81e1a1f7
Markdown64007f63559205a024f13dfad385d2803f98973856de2b1b79bc366ee439d2ff
PDF
Publication pageaa0bb428c09438b64b16005f1b185c59d5cef2f7e686e4a16d7599cb1d81380f
Manifest41da55acdb982a078899d9c4202fddd1763b4f0ce793b7a836d910dc57359588

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
Signature//lMcA/V1QT7zgZIY8fGsBhr+d0zB9606JIAB+qY9DOpSdD2v7OWLvElbapx8x0W1kMRW9wFQwYjBlIsRnl9Dg==
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

2026-09-17T09:41:27.247853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092800
observed aa0bb428c09438b64b16005f1b185c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.229706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092800/manifest.json
observed 41da55acdb982a078899d9c4202fddd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.210135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092800/publication.md
observed 64007f63559205a024f13dfad385d280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.189634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092800/publication.txt
observed c5b25b9f8c71e9d7214ae78e23850c2b...
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.