OpenTechnical

OT-2026-000091066

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000091066) never changes.

Identity and time

Publication numberOT-2026-000091066 · never reused
Internal UUID01a0ae9c-c012-7efa-a63d-b1ef5227e430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091066
StatusPUBLIC

Content hashes

Canonical text0c1d8e299a3d0e257c88cefcd4766fcd6599ac98da4acb1107380a7de2b15b35
Markdowna3357215ea16db6b14307015aec71553aad6821336af24258bedd49e63ef5e84
PDF
Publication page5e19e0d54a8a5baff963eab5475e3fe7ce33b787fec7f9b6306a70bad93d8de1
Manifest73a319183acc7bb25bbf69c84a874f77ff00ffbdd1cd5be1ee7d9cde372cf84c

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
Signature43mFXYPGf1BQxTcRFu9DT1H4HRLHcq9sPo0i88xZ5G4aj0E7BuqC0fWQASvIx2JdmbrnF99Yb3FnSLdpiyfICQ==
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

2026-09-17T09:44:18.540479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091066
observed 5e19e0d54a8a5baff963eab5475e3fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.523930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091066/manifest.json
observed 73a319183acc7bb25bbf69c84a874f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.507356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091066/publication.md
observed a3357215ea16db6b14307015aec71553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.490832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091066/publication.txt
observed 0c1d8e299a3d0e257c88cefcd4766fcd...
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.