OpenTechnical

OT-2026-000015977

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000015977) never changes.

Identity and time

Publication numberOT-2026-000015977 · never reused
Internal UUID01a0ae6e-0c4d-7189-b256-c41cf379ff43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015977
StatusPUBLIC

Content hashes

Canonical textbbf178ed977561cad470a6937492d05d48f5273a845c38eda35340afd69e29c1
Markdownd85771a8ff0a1a1e66237a2430f90279f96a00841ccbe5c5355956b452c68acb
PDF
Publication page307f041711a76832e4f323c97a7c27ed3a169a1e1c44ab2ed7e895e49d1254de
Manifest63be047bc5d3dfec1ca9ccb1158476270ab8befa00d50ed751044de829a6a772

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
Signaturef5af1hGAdzBRP2cN61UflceO0wXp9FpEhDmD1B/3KCSVPsz6JdfuMaAZG3+oYR/CnyxaGBFGFEKoRSVlageLAg==
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

2026-09-17T12:05:29.002428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015977
observed 307f041711a76832e4f323c97a7c27ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.975716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015977/manifest.json
observed 63be047bc5d3dfec1ca9ccb115847627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.948872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015977/publication.md
observed d85771a8ff0a1a1e66237a2430f90279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.925699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015977/publication.txt
observed bbf178ed977561cad470a6937492d05d...
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.