OpenTechnical

OT-2026-000091734

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091734) never changes.

Identity and time

Publication numberOT-2026-000091734 · never reused
Internal UUID01a0ae9d-43b9-7a5d-956d-8b6d5e650627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091734
StatusPUBLIC

Content hashes

Canonical text229aec26c9077be3219ef80ca0ec3105266ab7c739e42ee59939c833b3c12ba1
Markdownc44be9a6a529b2dc427cf276b8f24ce167e8529d9ba218d03df1bf980624cbde
PDF
Publication page10e7cb5f2b7880a0f30345287f2b144bd1b48692479566d6a8675da6fdcbaa63
Manifest455407103fb36bf7f868a43f1e01a207154e90e0750f1e45e37f8cc0fe48a4da

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
SignatureUr9NMujesolY7mRlWDo9whj8pqAs/tA0FspY/3y4TLCPCWnL3B6KfwA0+Z97ArHT8vc9CkCoP9aYbSssNJnqAg==
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

2026-09-17T09:42:07.713400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091734
observed 10e7cb5f2b7880a0f30345287f2b144b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.696407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091734/manifest.json
observed 455407103fb36bf7f868a43f1e01a207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.678614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091734/publication.md
observed c44be9a6a529b2dc427cf276b8f24ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.659508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091734/publication.txt
observed 229aec26c9077be3219ef80ca0ec3105...
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.