OpenTechnical

OT-2026-000076241

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076241) never changes.

Identity and time

Publication numberOT-2026-000076241 · never reused
Internal UUID01a0ae94-6a6f-7077-8b0f-658ca632982a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076241
StatusPUBLIC

Content hashes

Canonical textc8d9436e0e25f53c01938b540ddd4cbe49938e61e71a68b517b92524b73845e7
Markdown4767a80ab5a05d7b8780138d335812f58ff2e1e5796abf148f23cf31a26abeca
PDF
Publication pageca454b16bfce13d366e95b4c1caf35ebce46720b6adccc39ff63453a15a0da77
Manifestb5ab04b1f83bf22f0085e5fc84543588e35de112554a51a11175a183cffe52eb

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
SignatureG5qPKfjKLm595D0ZqNvtQa9b1dYcwkkehHiW1Epa0Y34SUyMSMIv54UU/qqfGJr/oGrR8MblPiXy+kF/BeYLBQ==
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

2026-09-17T10:11:43.714972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076241
observed ca454b16bfce13d366e95b4c1caf35eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:43.696450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076241/manifest.json
observed b5ab04b1f83bf22f0085e5fc84543588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:43.554450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076241/publication.md
observed 4767a80ab5a05d7b8780138d335812f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:43.530507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076241/publication.txt
observed c8d9436e0e25f53c01938b540ddd4cbe...
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.