OpenTechnical

OT-2026-000045258

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000045258) never changes.

Identity and time

Publication numberOT-2026-000045258 · never reused
Internal UUID01a0ae7c-f76a-72e5-802c-3c9b6407d12f · 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-2026-000045258
StatusPUBLIC

Content hashes

Canonical text74078fcce5f6dcd62c480625c69efd4fe7edbfd159173cd866774e6d4be51463
Markdown388de36e72e591bab7e93c995b4b7e71f1d16f878fd795372995225fe59b3142
PDF
Publication page1806aaf9a3e84bdd5a7d4270c31bb3b504d77e92f94c4c9edfa90d9855c19a1c
Manifestb1e6b9b9cbcea200edee5f6c8d2a745db494ba67cf5b11bcc51617dc3465fcd3

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
Signatureyq2qN0uWQTqiFd//T4ThRuUQAvhT11LoMXDQpPn47U6MR1SRbI8Tuh/Z4aGxBkvky5ecoN8DV4GKOdYOR6iEDg==
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

2026-09-17T11:10:27.883804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045258
observed 1806aaf9a3e84bdd5a7d4270c31bb3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.866066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045258/manifest.json
observed b1e6b9b9cbcea200edee5f6c8d2a745d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.846438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045258/publication.md
observed 388de36e72e591bab7e93c995b4b7e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.826888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045258/publication.txt
observed 74078fcce5f6dcd62c480625c69efd4f...
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.