OpenTechnical

OT-2026-000069549

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069549) never changes.

Identity and time

Publication numberOT-2026-000069549 · never reused
Internal UUID01a0ae90-b52b-7f00-bbae-da1e94151015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069549
StatusPUBLIC

Content hashes

Canonical text03ac59f6a7b128a636da0889e899b131f005ca7416a7d22888400007e6ca3e46
Markdown57aad97bc780caf4c6ecfa0bd8c160a26e154ba7dd8132034670026d0cc63e01
PDF
Publication page33afb56d794e8618e81b5c137e7208d4185fd63f714bcc55ac9cf4f59caa5649
Manifest1cf7978b147da20353232032f0f0f70ff68be60fcb4a6f7512796932b5dd0b9b

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
SignaturerBVois+Cs852UO5CxF2iYJyJCNWIszgcnP2xXQ48x+I746Z70lsVXpvgoe50UuFswbsU7HxGhyih5nx4vaDbAQ==
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

2026-09-17T10:30:39.701504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549
observed 33afb56d794e8618e81b5c137e7208d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.683125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549/manifest.json
observed 1cf7978b147da20353232032f0f0f70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.665472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549/publication.md
observed 57aad97bc780caf4c6ecfa0bd8c160a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.647427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549/publication.txt
observed 03ac59f6a7b128a636da0889e899b131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.874103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549
observed 33afb56d794e8618e81b5c137e7208d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.855032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549/manifest.json
observed 1cf7978b147da20353232032f0f0f70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.837992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549/publication.md
observed 57aad97bc780caf4c6ecfa0bd8c160a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.821033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069549/publication.txt
observed 03ac59f6a7b128a636da0889e899b131...
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.