OpenTechnical

OT-2026-000066628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066628) never changes.

Identity and time

Publication numberOT-2026-000066628 · never reused
Internal UUID01a0ae8e-ce41-7d1f-8111-afccd9cbd1b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066628
StatusPUBLIC

Content hashes

Canonical text55601b9a075c28f46326dabd22cb3f0f38ee96796c35e977974421b63729fd3c
Markdownf51456025d87a3a38e5802901c271ba3ca123d7fdd36387e07d043825f715b9c
PDF
Publication pageb218af64b444321b4bac616ef8bfbabeb1bd29d466a6c19ca100442a42021b30
Manifest7ea1f8f0b4635c3bc8d628da9c11e304146dfe60f8840ef9e14f445cad1608ad

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
SignaturebOtnpC0FQvldOMOoRAPEd4o2/75ssX6yuCyn0Feo2YJ0NPTGwERPWjFuYgja6FVupTsxcmedEnfVae8XMvdBBg==
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

2026-09-17T10:33:00.390240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066628
observed b218af64b444321b4bac616ef8bfbabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.369505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066628/manifest.json
observed 7ea1f8f0b4635c3bc8d628da9c11e304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.352858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066628/publication.md
observed f51456025d87a3a38e5802901c271ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.332624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066628/publication.txt
observed 55601b9a075c28f46326dabd22cb3f0f...
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.