OpenTechnical

OT-2026-000077759

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077759) never changes.

Identity and time

Publication numberOT-2026-000077759 · never reused
Internal UUID01a0ae95-2ed0-72fe-a3b7-01ebb3808fbf · 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-2026-000077759
StatusPUBLIC

Content hashes

Canonical text421671b0054d86661a8d350a35139daf45b3789a85b9c761175c38c6dd026ad9
Markdown779629fa7ebc486e88709380371266572d798f789373a79480fc37b10cf150f1
PDF
Publication pageb6a301eb923c44a8efe9c0b1c26c3cc8c0b1fee5dea5a37f08f9304b7e054cf3
Manifesta3429b7180ffa14d52bfcfabe2faabe2103d97e928c280e4ea70ba96ae5fb3ca

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
SignaturetfmMTww0ziVZVV0DwlNdD0k4PRBlsOIDKkOt+9smFCBcrd+2uVh73YC7XHyhPKzFMG42Yi4TenTZNEPs5K9aAA==
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

2026-09-17T10:07:20.491172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077759
observed b6a301eb923c44a8efe9c0b1c26c3cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.473916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077759/manifest.json
observed a3429b7180ffa14d52bfcfabe2faabe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.453661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077759/publication.md
observed 779629fa7ebc486e8870938037126657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.435072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077759/publication.txt
observed 421671b0054d86661a8d350a35139daf...
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.