OpenTechnical

OT-2026-000090707

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090707) never changes.

Identity and time

Publication numberOT-2026-000090707 · never reused
Internal UUID01a0ae9c-7f31-706f-8c56-fbcb30369af9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090707
StatusPUBLIC

Content hashes

Canonical text6d013b7e04ad44588b4f9ac81a1618c503c684de5a828cfe6aca226a6b0459e7
Markdowna5d3e455909beec389197a782e0637f2752b62ee28c5dc8cbee6264f87133c82
PDF
Publication page716f2446d151a5476a8c32de020d17b0306777ed54724087369e4fecd6cd2ea6
Manifestf892c93b556a85c1ff2fccd7290bf5ef38059cf5392e4c7ce692e818e7464f27

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
Signature/EBwVdE8IZaa6k+kRJoWGkBKeSi6WZE+cGRo5rtD1Mk7jPQkFK5qbYz6A+ZA73K011s1L35Hanw05M6da0UTBw==
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

2026-09-17T09:44:54.683669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090707
observed 716f2446d151a5476a8c32de020d17b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.666702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090707/manifest.json
observed f892c93b556a85c1ff2fccd7290bf5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.650070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090707/publication.md
observed a5d3e455909beec389197a782e0637f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.630685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090707/publication.txt
observed 6d013b7e04ad44588b4f9ac81a1618c5...
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.