OpenTechnical

OT-2026-000077460

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000077460) never changes.

Identity and time

Publication numberOT-2026-000077460 · never reused
Internal UUID01a0ae94-f509-7881-8f29-13f3cd8e3014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077460
StatusPUBLIC

Content hashes

Canonical text7a6073b220f460d497d8d5ee56db64722df876045dd4eb97ee23c1bf2def96d3
Markdownf92f4f6362bb8e61f8121a1c3e40c5f5e669428e535560744beaec5e7e417b6a
PDF
Publication page1561c5b3a97aa83b94a0b9f788d066f8e2b39fee1a778e93b6a41bcc0013640f
Manifestf00374bdfd693763240e66e28aeeb28f71a52140d9b97fd9450856a35d440c0f

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
SignaturekueEQm7Ex46kWQsB0i1CEFIra4kZoawUnSRF7cKtbp9kEOrdi/QLG8/DCwqW20c/42Z0p2rOeLdLnVKN3MHcDg==
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

2026-09-17T10:09:08.798276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077460
observed 1561c5b3a97aa83b94a0b9f788d066f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.777031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077460/manifest.json
observed f00374bdfd693763240e66e28aeeb28f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.757984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077460/publication.md
observed f92f4f6362bb8e61f8121a1c3e40c5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.738945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077460/publication.txt
observed 7a6073b220f460d497d8d5ee56db6472...
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.