OpenTechnical

OT-2026-000019956

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000019956) never changes.

Identity and time

Publication numberOT-2026-000019956 · never reused
Internal UUID01a0ae6f-1fb7-72bf-a8aa-809da8f134e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019956
StatusPUBLIC

Content hashes

Canonical texta2d8680952c352677182e2df65b3afd9ffc2c1d4d46220024704ea4337f50e30
Markdown7ed920312f62a625ccef0ccd3b2987a6a6953cc1b1f536098a9dfe8ceb630aab
PDF
Publication page560beeff1f85bf7cac8a716a7a4486949942d5381a38a95d964b34660fa3a686
Manifest52d422d3df77e468b96770ec459e7083241833241e5326366de2cad40fab96b8

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
Signature3QB8o6Mtv30t1ABD2ps/4V8gHbfQ3+JipM1lXlcG/LTqjodjnb4ou2MMJpwFyyY20mw6bakY+8OeQ5jisXj7AQ==
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

2026-09-17T11:58:11.136687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019956
observed 560beeff1f85bf7cac8a716a7a448694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.112753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019956/manifest.json
observed 52d422d3df77e468b96770ec459e7083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.091571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019956/publication.md
observed 7ed920312f62a625ccef0ccd3b2987a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.071762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019956/publication.txt
observed a2d8680952c352677182e2df65b3afd9...
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.