OpenTechnical

OT-2026-000045142

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000045142) never changes.

Identity and time

Publication numberOT-2026-000045142 · never reused
Internal UUID01a0ae7c-f769-7870-9809-c9b30783986c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045142
StatusPUBLIC

Content hashes

Canonical text8f5b1407e12843d0dbf0f29d971dbfa46b704c9567a4adff59e67b473ae90f05
Markdown665eb480bd1139f34f5c9978c71b9585e3d94cb99b64a47189d99e78987c6866
PDF
Publication pagec1a88f1a573b743c46296b6309f21ad461b8b9f8c19c79b2df86f09d7cb0eca3
Manifest74c6ef976ece20fe514fa4c424ba9cdedeab16c0dc991059278a598b5f744ce7

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
SignatureZgRGj6eOxoD8eVOhcqnM6iy0l4VnOA4m24HTJIXoMeVOKDoUmwvkTLbfIlWZwZWm0gAqMzrk9DisnpehghWDAA==
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

2026-09-17T11:10:17.674758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045142
observed c1a88f1a573b743c46296b6309f21ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.655449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045142/manifest.json
observed 74c6ef976ece20fe514fa4c424ba9cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.636159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045142/publication.md
observed 665eb480bd1139f34f5c9978c71b9585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.616342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045142/publication.txt
observed 8f5b1407e12843d0dbf0f29d971dbfa4...
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.