OpenTechnical

OT-2026-000082374

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000082374) never changes.

Identity and time

Publication numberOT-2026-000082374 · never reused
Internal UUID01a0ae97-4d96-7d05-97c4-4801c48a0f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082374
StatusPUBLIC

Content hashes

Canonical textc718604855d58f7ff0ca31f34bde8424ca7f6d9a42edece652f329547d8b2cdd
Markdown2b63bc5e59ff42bce58d4ec4f507b641e54be02cbd2f16c0d373b24bec347bcc
PDF
Publication page4f9169a06ac0e7fe9b445dba979cc791647aa006b25632cb5b00620420af3894
Manifest0cbdf6ab935be97b69d8ab81e865f521108b39b3c9dc32ba6706d6e9002eb277

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
SignaturelQBd1dKRuzCWQy9DXdPQlRg/MbPe9idk558t1h9p/CQIc+0GKYxpggzgNfww5nYVjegXbCq08EgDOl3nsYVjAA==
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

2026-09-17T09:59:15.145924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082374
observed 4f9169a06ac0e7fe9b445dba979cc791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.129486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082374/manifest.json
observed 0cbdf6ab935be97b69d8ab81e865f521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.112663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082374/publication.md
observed 2b63bc5e59ff42bce58d4ec4f507b641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.095734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082374/publication.txt
observed c718604855d58f7ff0ca31f34bde8424...
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.