OpenTechnical

OT-2026-000074313

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000074313) never changes.

Identity and time

Publication numberOT-2026-000074313 · never reused
Internal UUID01a0ae93-7179-7849-b82a-04496b3b5527 · 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-2026-000074313
StatusPUBLIC

Content hashes

Canonical text2e363cf400077bbf71bc9dcad608de3033d9ea33e773a839ae94d07bc62276b2
Markdown2264f3ad1a8ceec1bfae448c6442d4bf111d62eb8ec09d5896569ede88f2caa9
PDF
Publication page78d91b23f91fd457f717fdbd3a586cda7de34d7ad7b5cf4d1473968bcf6d9107
Manifestbb352f741eeea6e928520efbdda3c3de8ebd13691748a0993f18e19c0f8df64f

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
Signature5Tys6i0oOjgSb/BkN0BAnGdZtsnxidbgtwM7inDRiNnenWmtmlzoB7qNEgFpRl+JLInIpH3OVYDrXV+hmY03Ag==
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

2026-09-17T10:19:13.546031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074313
observed 78d91b23f91fd457f717fdbd3a586cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.529031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074313/manifest.json
observed bb352f741eeea6e928520efbdda3c3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.510517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074313/publication.md
observed 2264f3ad1a8ceec1bfae448c6442d4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.489893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074313/publication.txt
observed 2e363cf400077bbf71bc9dcad608de30...
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.