OpenTechnical

OT-2026-000079462

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000079462) never changes.

Identity and time

Publication numberOT-2026-000079462 · never reused
Internal UUID01a0ae96-0b91-7c3e-b482-d75188017d1f · 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-2026-000079462
StatusPUBLIC

Content hashes

Canonical text5cd2faea318de4a12f49c3c9b1f877a69d80da6f5e31b4ef12ab13587604e5a9
Markdown4f502968e0e3736cf6bf4fc4ed8eda2e6b3e3455ae918b2efbe870d43d77601e
PDF
Publication page6b0a4554591e5cc94bf558122b28e7ba1b29ae80e8df6677ad992a8379260cf5
Manifest51391ed9912d8ce5bdacdcc98242d8eb1ce45ff76d8fd2f0840347ab94c960db

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
SignatureJskz4TvmnkX4Uw1GnBoG9C8lSDt/IOEfEH6DXSZfacU5WeuY8k47pF45zArvvx45s9kCZ/EMeFojv2KXaSA6DA==
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

2026-09-17T10:04:44.500521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079462
observed 6b0a4554591e5cc94bf558122b28e7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.481888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079462/manifest.json
observed 51391ed9912d8ce5bdacdcc98242d8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.463356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079462/publication.md
observed 4f502968e0e3736cf6bf4fc4ed8eda2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.446510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079462/publication.txt
observed 5cd2faea318de4a12f49c3c9b1f877a6...
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.