OpenTechnical

OT-2026-000074235

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000074235) never changes.

Identity and time

Publication numberOT-2026-000074235 · never reused
Internal UUID01a0ae93-7178-7825-82bc-d1c847fd8582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074235
StatusPUBLIC

Content hashes

Canonical textc9f88f99f8f85b571ed2cc526479eacb4cf20eb70f444cc77fe0832acaf91930
Markdown5114694dae88f1692d002402892c7769ccdbd861eb0a9b655e91c0777f9c6438
PDF
Publication page0eb4b1694746ff78b76a1b21740ef9416f84ed88d42324b9f639b8b43800bc51
Manifest9b8305c9a85fa8d3a88fd88dacb4131e000e60ee23d5a0e512dba1f12a7d8013

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
SignatureK9dLMSs+nNV663VNSqTuYfToS3bC2O6nMb7UX/V9ag0Sitwd5knJ4y36orK/wI4a4i575SXdE4GSDqv2Z4OPAA==
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

2026-09-17T10:19:06.362521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074235
observed 0eb4b1694746ff78b76a1b21740ef941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.343694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074235/manifest.json
observed 9b8305c9a85fa8d3a88fd88dacb4131e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.325202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074235/publication.md
observed 5114694dae88f1692d002402892c7769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.305136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074235/publication.txt
observed c9f88f99f8f85b571ed2cc526479eacb...
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.