OpenTechnical

OT-2026-000063968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000063968) never changes.

Identity and time

Publication numberOT-2026-000063968 · never reused
Internal UUID01a0ae8d-53bc-760e-992b-8cbc6ca96f3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063968
StatusPUBLIC

Content hashes

Canonical textda4d2da736f6004c11e62ff439ba8a394dedb3776467514d3e6ccc3cf9d20ee3
Markdown312aa79a75ae71273e8721f5dac175522e9061cee1aa13bf851e8398d64e1520
PDF
Publication page26c31990a684723cae21ba0c8172180854211ff745881be1893355e9af75ad95
Manifestd2bdf92ca0436ebdbca26e148a6d4e5e5510dae45c7754a2b863c8bc3e505e2b

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
SignaturevweWsT0e7XCvuNRJyX3EaEaFKzqDmnZghRwjuBdeXf7ZsFqKpgs4hrWmLg5Wt9VcRRxTUKvchP5aaFK5nilLAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:02.012891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063968
observed 26c31990a684723cae21ba0c81721808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.993490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063968/manifest.json
observed d2bdf92ca0436ebdbca26e148a6d4e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.975865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063968/publication.md
observed 312aa79a75ae71273e8721f5dac17552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.956679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063968/publication.txt
observed da4d2da736f6004c11e62ff439ba8a39...
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.