OpenTechnical

OT-2026-000071345

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071345) never changes.

Identity and time

Publication numberOT-2026-000071345 · never reused
Internal UUID01a0ae91-e0ec-7b62-9516-b292f3587e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071345
StatusPUBLIC

Content hashes

Canonical text4a567b069c0bcb0ba9b2f9716fb67849b299d842f078f3a23a82002d1b950b4d
Markdown804cc8d00d7787437f7c01ed36d5602dd715fc3e28110916722b1de77d2d4664
PDF
Publication pageaff82b60e0775ec10a2f82b080246191f5e4f510f37e4bb97d2b0acbc3582b1a
Manifestddd4133843855ed8ddb5184f6ecd27a1177738215821cb10b4a44c3598397cfb

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
SignatureE3n65YoZcoMhiKvhNTCVbQpjS3x23pOZtZlqvqqYNxY3EhyAExzvPvHSSTc6AYNi/z2YCrUEHu0J2ed3BkpPDw==
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

2026-09-17T10:24:56.943741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071345
observed aff82b60e0775ec10a2f82b080246191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.926828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071345/manifest.json
observed ddd4133843855ed8ddb5184f6ecd27a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.909989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071345/publication.md
observed 804cc8d00d7787437f7c01ed36d5602d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.891970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071345/publication.txt
observed 4a567b069c0bcb0ba9b2f9716fb67849...
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.