OpenTechnical

OT-2026-000066793

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000066793) never changes.

Identity and time

Publication numberOT-2026-000066793 · never reused
Internal UUID01a0ae8e-ce43-7b36-b21a-9a0f53c4ae23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066793
StatusPUBLIC

Content hashes

Canonical text9a1d4509c266770a044d7768f0c965b247b4e29f5b80743dc40007bba5de0563
Markdown16e6d2a242b44108514cae5e42d23315e8bef3cddc202c4ec0d033fd834ab4dc
PDF
Publication pageebc5415d84145179dbb92fd5c1a4e22d87c6f3e3c29c9ded0e03312fceac9041
Manifest04fb7b6ee0a5bd943618340773bbd2e35ecfa17f79f35432086a32c4f5a2b06f

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
Signature3gfLeoje4cuPbC5zlX7UIDmHmrbmeU0Rib/FYzaAcPfnhA5iAjwgmXxtSV/c5DT/nI3hejAY4ny1I2sfSFNSCg==
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

2026-09-17T10:33:13.074797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066793
observed ebc5415d84145179dbb92fd5c1a4e22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.057554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066793/manifest.json
observed 04fb7b6ee0a5bd943618340773bbd2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.036698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066793/publication.md
observed 16e6d2a242b44108514cae5e42d23315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.017200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066793/publication.txt
observed 9a1d4509c266770a044d7768f0c965b2...
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.