OpenTechnical

OT-2026-000100522

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000100522) never changes.

Identity and time

Publication numberOT-2026-000100522 · never reused
Internal UUID01a0aea3-66f0-7fae-be6c-9c5ebb2171a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100522
StatusPUBLIC

Content hashes

Canonical text7989df570d04ef50bff9611bbae773b061ec4be11a8b43ecb3581aed4b1bf664
Markdownc95d988b012191fe7911345fd306bb3a874911681e663533515c1e6e8bf9bea4
PDF
Publication page791ff84b6f034a7810916801b9eb6cc4aadd6f11a13d19dfaaab49fc1f33ce24
Manifest0180fb9179560d3dbf11f76d40a430ef18dbccdea8a55056272098af717abcc6

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
SignatureWptYvIIni5jEvzk0wl89oQNXevAsJNH1x9I56yrqWMWHMYtRCWSTcbszqTTnk4BBTyGkSYSOwrh6CqAG/e3DBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:17.397511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100522
observed 791ff84b6f034a7810916801b9eb6cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.381143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100522/manifest.json
observed 0180fb9179560d3dbf11f76d40a430ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.364469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100522/publication.md
observed c95d988b012191fe7911345fd306bb3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.348123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100522/publication.txt
observed 7989df570d04ef50bff9611bbae773b0...
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.