OpenTechnical

OT-2026-000068273

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000068273) never changes.

Identity and time

Publication numberOT-2026-000068273 · never reused
Internal UUID01a0ae90-247f-7f66-832e-77ce5f47594f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068273
StatusPUBLIC

Content hashes

Canonical text2b67ba6ce1ab596d0d847a9fb65436cc9cfe29a978d05cf5bfce22da4a9c92cb
Markdowne075b72eeb35ace3c19c8d6bac26b285fd6a130644b292c90494038bbb035710
PDF
Publication page315017fbf362ed45b9d167e64e7dffc04bb6368d312ae07399272b31999476bb
Manifest49e28e9491031f2f49aae99599e7c3d043240978fdcfd168b6b520f41e8cd836

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
SignatureQ+F3wUy2njOCQm4bRD+be5xM6elCcOeRJmIquBdVrh2zu+WB/q0vooYOLi9rIJ5JONCHAz5cBxFbiNh2cu7iCw==
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

2026-09-17T10:29:18.011957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068273
observed 315017fbf362ed45b9d167e64e7dffc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.994879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068273/manifest.json
observed 49e28e9491031f2f49aae99599e7c3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.975518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068273/publication.md
observed e075b72eeb35ace3c19c8d6bac26b285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.955918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068273/publication.txt
observed 2b67ba6ce1ab596d0d847a9fb65436cc...
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.