OpenTechnical

OT-2026-000074487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074487) never changes.

Identity and time

Publication numberOT-2026-000074487 · never reused
Internal UUID01a0ae93-717a-7a5a-8de8-c635c6b62ef4 · 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-2026-000074487
StatusPUBLIC

Content hashes

Canonical text6d65cfe60c55dc4205a906176eb2ccac077764260cefa09e92605baa6afc5d10
Markdown09fe1a2caa719a6cb5086c0779dafe02457956476399bad437ba30f2bf5d3408
PDF
Publication page448bbbb7d9c9da63e5a84806bc4b8d80f31964fd1907ad0f92a54097e30f63d9
Manifestab877a0e47d83eb8864d29c4caeb702e16c6225eb4efe73ce359d3d8b4956b80

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
SignatureIJ3PIB+RYbA0Y1hOShBNK/1zvgRwmpZOE2jsgwtcT9TuqlC8U7cwVCe0E8h1OFcPWBjVn4nQM/v3Yeu7Mw2XAw==
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

2026-09-17T10:19:27.232327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074487
observed 448bbbb7d9c9da63e5a84806bc4b8d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.212767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074487/manifest.json
observed ab877a0e47d83eb8864d29c4caeb702e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.194022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074487/publication.md
observed 09fe1a2caa719a6cb5086c0779dafe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.173670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074487/publication.txt
observed 6d65cfe60c55dc4205a906176eb2ccac...
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.