OpenTechnical

OT-2026-000065430

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000065430) never changes.

Identity and time

Publication numberOT-2026-000065430 · never reused
Internal UUID01a0ae8e-46f9-7e21-819b-6ae0b7e885b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065430
StatusPUBLIC

Content hashes

Canonical text2a5433188f9d28ca0ac774c4802f2a4dbb2dbfcfd99f9f31576d8b5cd2f0557b
Markdown64c88892e602ec548d374b0c0e39f0e11134076f096c21f9fabdc098e6e75ad6
PDF
Publication pageda8e217f53c75da2c94c3d91896f3fccbb5eabe7fe1dc1ad84ed71998edd67a8
Manifestc05176be957cb860d4ecd0d2b83559cfb67b0aa26eaa00f3829993bd7e9fca77

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
SignaturehTN7FZ85LpURHFbT619LCFLlsTgM8EX1rK8xHTYY9jbM93myv4fyamO9ktqs3K6hFwz6B49ReA8+Ruok11NPBQ==
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

2026-09-17T10:33:42.035553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065430
observed da8e217f53c75da2c94c3d91896f3fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.016111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065430/manifest.json
observed c05176be957cb860d4ecd0d2b83559cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.997951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065430/publication.md
observed 64c88892e602ec548d374b0c0e39f0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.977727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065430/publication.txt
observed 2a5433188f9d28ca0ac774c4802f2a4d...
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.