OpenTechnical

OT-2026-000097692

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000097692) never changes.

Identity and time

Publication numberOT-2026-000097692 · never reused
Internal UUID01a0aea1-92f4-740f-8dbc-31adfbb0aa1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097692
StatusPUBLIC

Content hashes

Canonical textfe580d10b4ed5c21151fc30fc54c0b20ce2973c6d315bc8b9e68521e0192951c
Markdown00c739bfa0d7161a26ba6cea649ca9eb9240dfaeee237fa04a9b0c750ab9f30b
PDF
Publication page41a9500581e3dde76c949f9222f58009dcf5da117f2736cbe8e04d65f5947dde
Manifest35d44a6ef3048c10bc2d669ef03b914fcbeaa52aceb75d78520ce41783c93ff6

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
SignatureQy9jlPsF8pVBTIUA9TlsBLJdlBa38+RRJOcNdpiN7f7wpAXCQSJEFRkC1766eaGoaPIzfc5niTNpSW9GlESdDQ==
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

2026-09-17T09:32:42.915047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097692
observed 41a9500581e3dde76c949f9222f58009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.895087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097692/manifest.json
observed 35d44a6ef3048c10bc2d669ef03b914f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.876832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097692/publication.md
observed 00c739bfa0d7161a26ba6cea649ca9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.857107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097692/publication.txt
observed fe580d10b4ed5c21151fc30fc54c0b20...
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.