OpenTechnical

OT-2026-000047448

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000047448) never changes.

Identity and time

Publication numberOT-2026-000047448 · never reused
Internal UUID01a0ae7f-3e58-7bae-b2be-87e5ddad03cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047448
StatusPUBLIC

Content hashes

Canonical textb9e087892ea8faf13b098af118b0b1f7550d875b3cba5c0ea3dc91329e9555d4
Markdown3f927e0d9dc64bd3c97ff58c3e8f78809b79ebc800443b3a3ea15227df788251
PDF
Publication page965cb738292ebc86b74bd1542c43998a5e2219fc2ffd6a72cc836714a1c9855f
Manifestcc4893c8e34ea8bdd986e246cd5d2cce4d297b18d23e1b0dc00878c7986f4450

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
Signature4RU36bMio9p1DgIToKK0GDAwUMVMXIP6BiMenLePNPVQWs6/K2E68mhtirZMceYt/iJP4YOFivuimWOCWAS8CQ==
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

2026-09-17T11:06:28.633206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047448
observed 965cb738292ebc86b74bd1542c43998a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.615464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047448/manifest.json
observed cc4893c8e34ea8bdd986e246cd5d2cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.595966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047448/publication.md
observed 3f927e0d9dc64bd3c97ff58c3e8f7880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.576728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047448/publication.txt
observed b9e087892ea8faf13b098af118b0b1f7...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent