OpenTechnical

OT-2026-000029449

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000029449) never changes.

Identity and time

Publication numberOT-2026-000029449 · never reused
Internal UUID01a0ae73-5e21-7531-8bfa-5b78b75bbb99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029449
StatusPUBLIC

Content hashes

Canonical text04cc95b181d3e95c5c98292fdc071f920996ecda0d89828c6d8841a928f04754
Markdowne65c363dcf33d05eb85f90cac82ead8a6c58f0ba06a252a30f5e0ce94567f0fb
PDF
Publication page76de54930ba072f9f84f68a5f4cc46245807492b5ac37b473ae37440a398efbe
Manifest9f8f160310a4bc5bc2c7a13e868d1410b3329e67ced2895adacabfb0afe8e974

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
SignaturehBfIjcZsuoJvUFSPkftYyKrUGYz5E41sIF0QF4fT9O0/ABiaf9YL8EfhgNMXO214eoYN5ozWsmmofwcoZ5uxDQ==
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

2026-09-17T11:39:04.170291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029449
observed 76de54930ba072f9f84f68a5f4cc4624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.153151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029449/manifest.json
observed 9f8f160310a4bc5bc2c7a13e868d1410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.132337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029449/publication.md
observed e65c363dcf33d05eb85f90cac82ead8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.114326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029449/publication.txt
observed 04cc95b181d3e95c5c98292fdc071f92...
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.