OpenTechnical

OT-2026-000066351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000066351) never changes.

Identity and time

Publication numberOT-2026-000066351 · never reused
Internal UUID01a0ae8e-8dc4-79ee-9438-3e34df71b42b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066351
StatusPUBLIC

Content hashes

Canonical text7b9d3f4e84c1ebc64883f588c5f04909e3b8270b76d08b1bab99fb5c4da0abc2
Markdown39fc9fa27f8b7ed3755d553ee184707fdb4a722ef6e128e8639abe8a7f54002b
PDF
Publication page38ead3a82cfbd697665f6bd84869151984964404db43773c6a118ed3eed93315
Manifest3033d5972ab68bac843a6a149ecd85f31b2d0617c5bcd58bd027c9f6289a7d05

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
Signature4VEHOo20O6/Pv9yZzqeNTNAGsmUbDNaT5rni5T5k6EMfM3LTPLgqE4mCa9i6PHppF3RzhYGzAP6lE5cVkWuiAw==
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

2026-09-17T10:33:32.752465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066351
observed 38ead3a82cfbd697665f6bd848691519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.733917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066351/manifest.json
observed 3033d5972ab68bac843a6a149ecd85f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.714890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066351/publication.md
observed 39fc9fa27f8b7ed3755d553ee184707f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.697593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066351/publication.txt
observed 7b9d3f4e84c1ebc64883f588c5f04909...
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.