OpenTechnical

OT-2026-000076669

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000076669) never changes.

Identity and time

Publication numberOT-2026-000076669 · never reused
Internal UUID01a0ae94-b06f-711b-a93b-ed5ea2a2c3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076669
StatusPUBLIC

Content hashes

Canonical text7f64a0d75f763b0d832250c6d54eebece5ba621d8f15bea8466f24bccc573ceb
Markdownde9c06282149f1756e0493e6ecf795b11ec643231af494eaa8fc620b5ed0b2d1
PDF
Publication page76d4090699c345e81b6058c3db75e78782c6df570c05ecbef28102358b65af49
Manifestb0e5440fdeeb997bad0d97e6817751ecbe06a74974c507364817afe5d114f2c9

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
SignatureupaZXRkFhyQpaZ8gwdMd+sX8BcbgChkZnq6zH/biMfOKPEfBtalQicK/MOhG/s96v1CQD9InA29dATP4fKIfBg==
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

2026-09-17T10:09:25.015892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076669
observed 76d4090699c345e81b6058c3db75e787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.996631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076669/manifest.json
observed b0e5440fdeeb997bad0d97e6817751ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.978537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076669/publication.md
observed de9c06282149f1756e0493e6ecf795b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.959102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076669/publication.txt
observed 7f64a0d75f763b0d832250c6d54eebec...
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.