OpenTechnical

OT-2026-000010032

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, vented after 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-2026-000010032) never changes.

Identity and time

Publication numberOT-2026-000010032 · never reused
Internal UUID01a0ae6b-cb79-7259-b83d-fe7d521ca807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010032
StatusPUBLIC

Content hashes

Canonical textd54cf674e46af581437c2751eda76056c88a60da4fbaba16f63fe66265e272f8
Markdownc434200b85e94a929666a6d7a326543b11c802b089febd9c5260b3276b8fd87c
PDF
Publication page0e702cb4aa3ab4734124e1e9d4ced7fc18419eab5c556a2abf7f47e2d50c9d1a
Manifestbf4aa7e688ec8481319a5492bf73e906eeec5d07a54df3a052b827fec2d85378

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
SignatureP1/J/B1Pvniym6peH864Oc7hNVF2lGFjzR7W6rgg89+K2bd0EMoQtR/m10pJ6CSR8hAOks2y4g/IOtihkDqCBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:05.676759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010032
observed 0e702cb4aa3ab4734124e1e9d4ced7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.658011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010032/manifest.json
observed bf4aa7e688ec8481319a5492bf73e906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.639610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010032/publication.md
observed c434200b85e94a929666a6d7a326543b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.621655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010032/publication.txt
observed d54cf674e46af581437c2751eda76056...
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.