OpenTechnical

OT-2026-000079237

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000079237) never changes.

Identity and time

Publication numberOT-2026-000079237 · never reused
Internal UUID01a0ae96-0b8f-7d5b-a291-7a8c77c4120a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079237
StatusPUBLIC

Content hashes

Canonical text601e502321457db42ba490f8e42b5effcece57400ce4002e92cbcd448271fdb6
Markdownf166188e4a775f867cb95e8189cd70a55c58806ddd1cf7f737f8f0d6099257d6
PDF
Publication page8b34b0ef5013695a88406d9be2ca4dc024a2a8c31584f1955a48c6b115bf6873
Manifest3be5bacc9f777ebbd9eea6e4464431078ac0ae3b95650b9dd495d39e4eaed0fe

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
SignaturejUvsJGmHHes6x/IQWHIh/KemQ0Ob1AJUErXJ6YdxpCCT4vMjGxqq3IOBrm0CVWLUSAMqEfYSp9tI+cVEYEbWCg==
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

2026-09-17T10:04:49.774330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079237
observed 8b34b0ef5013695a88406d9be2ca4dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.756331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079237/manifest.json
observed 3be5bacc9f777ebbd9eea6e446443107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.736922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079237/publication.md
observed f166188e4a775f867cb95e8189cd70a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.719926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079237/publication.txt
observed 601e502321457db42ba490f8e42b5eff...
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.