OpenTechnical

OT-2026-000074141

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000074141) never changes.

Identity and time

Publication numberOT-2026-000074141 · never reused
Internal UUID01a0ae93-7177-75e4-8034-e63117b77f1e · 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-2026-000074141
StatusPUBLIC

Content hashes

Canonical text4675c6d0e5f1a7a192b24c3f4d6510f27043823bf512b9d45f622dedb43d4ec5
Markdownc50a96c06bc4fc06a05b8dc94067458513d2f699069b446917a4cf6931624b62
PDF
Publication page0802bfd81936c99b042c623ec28313f60d3e3e88099439b2b982a4ec6c83ab5a
Manifestf5cf131b8eeaa941f7652a8ec14c514e846229fd0ddedcdbfaad5a389fbc03b0

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
Signature538ZpKePwwfQShWt01QzLvyenkmwia+EZ4t7WBKLtu/Y1ECX+0L/sb/WDMoXO9og3t01247+keJiuk+8kS3ABw==
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

2026-09-17T10:18:59.202883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074141
observed 0802bfd81936c99b042c623ec28313f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.186127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074141/manifest.json
observed f5cf131b8eeaa941f7652a8ec14c514e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.167912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074141/publication.md
observed c50a96c06bc4fc06a05b8dc940674585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.150863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074141/publication.txt
observed 4675c6d0e5f1a7a192b24c3f4d6510f2...
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.