OpenTechnical

OT-2026-000077883

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000077883) never changes.

Identity and time

Publication numberOT-2026-000077883 · never reused
Internal UUID01a0ae95-2ed1-7f4f-9c0a-3584733e1d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077883
StatusPUBLIC

Content hashes

Canonical text152962c2eb472489c10830de733709cfdf07eb6a9d62356b7625dcc5663fd29f
Markdownb66340005c0fb62f840984a56c4de315e1cab862b50619c33a831631c0250142
PDF
Publication pagedcb5a21e71471b086aa9a20a736c0cc546443096426940b148f78c80dd45aef0
Manifest0ea84a858cc8b665a082b113a60fc39641409b19e1c2b54796266f22ee4766fe

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
Signature3jK+xhjH/spY52ISZC0U2FwCu8GLh4P79AHREFSKaS/MR6tpsNAlJXta5Ti220b8o7EJ3vSv7hYyoXee4d6KAw==
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

2026-09-17T10:07:37.714148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077883
observed dcb5a21e71471b086aa9a20a736c0cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.694317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077883/manifest.json
observed 0ea84a858cc8b665a082b113a60fc396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.674281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077883/publication.md
observed b66340005c0fb62f840984a56c4de315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.655215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077883/publication.txt
observed 152962c2eb472489c10830de733709cf...
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.