OpenTechnical

OT-2026-000037057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037057) never changes.

Identity and time

Publication numberOT-2026-000037057 · never reused
Internal UUID01a0ae77-7740-7ff1-8f1f-a2a39833632a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037057
StatusPUBLIC

Content hashes

Canonical text3e8fd859389ffcffd70e84c748ac0575d8c4f34a85e82e641f7aeec4c3f582c1
Markdown16c242fa42b1473464281392baf66e28d581085efcb742c1edded4e5fb80d1aa
PDF
Publication page81da6a8e63f71ac12a5570a9841837c240d7ab8d24be9eb9574a3f41bcbea2e3
Manifest03a2b93985aaf2b9db874efadefb38df0c721d36be82605fdce5030a80f9fa99

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
SignatureEud/Na2Blmg9n175gzneG+drjcLt53T2+3z6VVihZ8FBfmZT3iEyDNHUWTgRe52Vspl9z9b+ktr6Q/LxYGnhCw==
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

2026-09-17T11:24:54.938130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037057
observed 81da6a8e63f71ac12a5570a9841837c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:54.920041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037057/manifest.json
observed 03a2b93985aaf2b9db874efadefb38df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:54.901850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037057/publication.md
observed 16c242fa42b1473464281392baf66e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:54.881717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037057/publication.txt
observed 3e8fd859389ffcffd70e84c748ac0575...
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.