OpenTechnical

OT-2026-000005114

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pressure verified at each zone

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-2026-000005114) never changes.

Identity and time

Publication numberOT-2026-000005114 · never reused
Internal UUID01a0a92e-4c86-7ed6-a628-2f140ca3329a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:18.888871Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005114
StatusPUBLIC

Content hashes

Canonical textf778f3948f6bdf7833cd005143547e959c972e799adf15dc4377adc5f81e1afd
Markdownfb6f3cf1e68c62e0c15ca1fa926d60f5503c732a46cf2cccd399fea05a9f19db
PDF
Publication page64657a9fd262f41533260f894a918909618377a1aec4e0501f6435849646da9d
Manifest383e750d67aa52a8d5f22b08975b066f132f51118425833ac3496d12add595d1

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
SignatureiNcbg1Zdzm7aLvTXAvohrXk8joRcU8UwB5ar3ZeYAzp5Bi9iTkkV2SQfEnFDU8TomkDK7h9Ll15UapE2cxcrAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:13.957801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005114
observed 64657a9fd262f41533260f894a918909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.944805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005114/manifest.json
observed 383e750d67aa52a8d5f22b08975b066f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.933090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005114/publication.md
observed fb6f3cf1e68c62e0c15ca1fa926d60f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.919588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005114/publication.txt
observed f778f3948f6bdf7833cd005143547e95...
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.