OpenTechnical

OT-2026-000071167

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071167) never changes.

Identity and time

Publication numberOT-2026-000071167 · never reused
Internal UUID01a0ae91-e0eb-76a9-84a5-638887887a22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071167
StatusPUBLIC

Content hashes

Canonical text9d5be0529d2180fed087bb3ba61e8c6447e74d740fd2b276f63268c7a07e0134
Markdown2df59659cada475bb6ac3b4f34e53cba0e81bd2f729600623a06288d954fadff
PDF
Publication page86351f023fc920c308790cbc3b85ec1b7fa3279c190d3ab5c1faa0b6bac89618
Manifestbdfdc9595412eb2372cc200a364901ab42c426543157f4a5cdf4f52e958bfb8f

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
SignaturesMAX39eM4I3Negh0r/HeWj7I+OTTvwKGvU8hEHJzyqjN/yv3cV8FnYFcjDqbqMgIe06XkYWeuVd9WuqpzCdjBg==
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

2026-09-17T10:24:40.607160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071167
observed 86351f023fc920c308790cbc3b85ec1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.590691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071167/manifest.json
observed bdfdc9595412eb2372cc200a364901ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.573612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071167/publication.md
observed 2df59659cada475bb6ac3b4f34e53cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.554673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071167/publication.txt
observed 9d5be0529d2180fed087bb3ba61e8c64...
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.