OpenTechnical

OT-2026-000045994

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000045994) never changes.

Identity and time

Publication numberOT-2026-000045994 · never reused
Internal UUID01a0ae7d-8f89-7fb1-8daa-e259c91c5a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045994
StatusPUBLIC

Content hashes

Canonical textd4737767fae3f2aa164c7c84e87a53c834735fed9aebea353b74216e20bae82b
Markdowne29a2d0629f6457d6c73aff0371fdb661672cd063e6f5978b4245960ae5e8cc2
PDF
Publication page20ec621d67fc54b521beb98c6b8324875d2048b00d4501877071dee615675218
Manifest6f279f46dfd65f3c8734770a588d750b0b2c2430a033ed3c5ece14060eadae5f

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
Signature1U7ihJKz775ejeaK++Ya9A0RjRqry0SJ7jwgPJkkB0Bp99AnNeXvQ0Uriqrww/FKppsCZe2wMk1Ix5X4lR6TBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:59.595241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045994
observed 20ec621d67fc54b521beb98c6b832487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.574593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045994/manifest.json
observed 6f279f46dfd65f3c8734770a588d750b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.557211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045994/publication.md
observed e29a2d0629f6457d6c73aff0371fdb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.539580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045994/publication.txt
observed d4737767fae3f2aa164c7c84e87a53c8...
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.