OpenTechnical

OT-2026-000045901

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000045901) never changes.

Identity and time

Publication numberOT-2026-000045901 · never reused
Internal UUID01a0ae7d-8f06-7478-91a6-f20bc04c8a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045901
StatusPUBLIC

Content hashes

Canonical text75348e720bfbd548ffe19a7ee5f2496f61abaab4a2f83dc92dcb64405f91d30f
Markdown65cee228e990691cd010bf8ea98669c1ca51af23197c0eb1a3a7f21c3948c15e
PDF
Publication page782854e89601f3055bb06d12059a3dc16180cd631bf3f23ebedcd7308b2d8516
Manifesta0a6cb734abe9e72388e8de8a275269f3a01ae7c7827b0a36516cdda3bb0c962

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
SignatureEI4T+Sf6cvrSmO5GEe3NpLRAWrOGkjbKBNaUkta/5aUw88PhOZ6xXyoji5LV428bxkrzaie5LG1AeWL3q9lFDQ==
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

2026-09-17T11:09:47.943929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045901
observed 782854e89601f3055bb06d12059a3dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.924716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045901/manifest.json
observed a0a6cb734abe9e72388e8de8a275269f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.905906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045901/publication.md
observed 65cee228e990691cd010bf8ea98669c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.888369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045901/publication.txt
observed 75348e720bfbd548ffe19a7ee5f2496f...
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.