OpenTechnical

OT-2026-000021304

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000021304) never changes.

Identity and time

Publication numberOT-2026-000021304 · never reused
Internal UUID01a0ae6f-865c-7c34-a824-8b59b8a15038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021304
StatusPUBLIC

Content hashes

Canonical textdca5e45186a874d040caa769812ddfd125dc2e5ae279365b67b5935bc6f386f6
Markdowna5d1c16c54f473ee872ddd7188e3137472ac3e28a8477f258d249eadbe65703a
PDF
Publication page5d4a4713e859c6c67c08ce5209498dd67210ae5d1b7a201da01cbb4623f0c239
Manifest14fc89fb9bdae1011de5def59b878a143d93a3009a91b1c2fdd645dbaf90cca7

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
SignatureMmn/27gYaiP380XZd2kpdGwsvwLMlKaIHM26NjcxVXeSyX9h0eRvr0v0rZSF2wQU25Qe5D4oxOmKYufWek5jDA==
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

2026-09-17T11:55:08.878618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021304
observed 5d4a4713e859c6c67c08ce5209498dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:08.846284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021304/manifest.json
observed 14fc89fb9bdae1011de5def59b878a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:08.818554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021304/publication.md
observed a5d1c16c54f473ee872ddd7188e31374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:08.797321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021304/publication.txt
observed dca5e45186a874d040caa769812ddfd1...
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.