OpenTechnical

OT-2026-000069963

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000069963) never changes.

Identity and time

Publication numberOT-2026-000069963 · never reused
Internal UUID01a0ae91-1860-71ac-8c77-c879c693ef63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069963
StatusPUBLIC

Content hashes

Canonical texte90a27537a73b26d0f77aed4b9d7ef6ebe91007e9764bf2961e1e0670f152b5a
Markdown2d2cb656d5817f7ec171914475269478a321adab46e9bf08a9ca9084e876f316
PDF
Publication paged745f34223df3acfc21caff5789453acfe6de9113338e22712e59849cc2033c9
Manifestad62609d926b941a336e4a3c635a42d55a66308ac32e9033e3baeb9916a3c153

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
Signature3r1ZkbUaJCsyV97658UFVChISaBU/YRV+eqcoUu45LDLTqjBgkVrP33fnpnO4sHPIRDsm+g5kDTHn2OKrxyXDQ==
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

2026-09-17T10:26:54.239652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069963
observed d745f34223df3acfc21caff5789453ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.221207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069963/manifest.json
observed ad62609d926b941a336e4a3c635a42d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.202494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069963/publication.md
observed 2d2cb656d5817f7ec171914475269478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.182900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069963/publication.txt
observed e90a27537a73b26d0f77aed4b9d7ef6e...
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.