OpenTechnical

OT-2026-000073605

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line 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-2026-000073605) never changes.

Identity and time

Publication numberOT-2026-000073605 · never reused
Internal UUID01a0ae92-efb9-7b81-b977-95f4ef975be9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073605
StatusPUBLIC

Content hashes

Canonical text5fb9ffd83b29428be88ce330220a16b5ff401dd28e296301408c98f1f8c405bf
Markdown7ccb1e5a13eefed38d915d4065f69544bd1de750d846008c8fec542aca7329bf
PDF
Publication page2b964ebf081045241d4307ab9e28164797dab6e5d0cd5dfb52c3934f240b2655
Manifestb44f80f78721cd51ce78e776cce1143b06afbba36b562fedb65d507ddde2bbfa

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
SignatureF7fiyfM6lI0uWwGtuj4D25IJBKzSDXoe1yUX9Dda6QU7dAcKjomPzykZhNXCFImzF6qAdpJfOaZo9PSXtEpWAg==
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

2026-09-17T10:21:47.359828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073605
observed 2b964ebf081045241d4307ab9e281647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.342950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073605/manifest.json
observed b44f80f78721cd51ce78e776cce1143b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.323796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073605/publication.md
observed 7ccb1e5a13eefed38d915d4065f69544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.304891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073605/publication.txt
observed 5fb9ffd83b29428be88ce330220a16b5...
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.