OpenTechnical

OT-2026-000060081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000060081) never changes.

Identity and time

Publication numberOT-2026-000060081 · never reused
Internal UUID01a0ae8a-5a71-7088-9321-b47d690e7279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060081
StatusPUBLIC

Content hashes

Canonical texte78878dbc15754d1d6f01a4b8c4435d28662893898bc33d3a8cc150ff14cf32e
Markdown04816ef474a551e4fcb45ecc86766b77c0b06348b047c667268f4fdce05b282d
PDF
Publication page79c5e5828e5382e850192a4dafd59ee74ebd3ebd6b60c110d78c5c15da014e97
Manifest3e6b72034beecbd168b6a08906b359511f99bdf134fd63b5907349b71a8ceba5

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
Signature0VVQ4GbOhuYCpy0iIRAlBOz/89VGcyo/tKOx9lW0bnVnW1Q56PRGUypLAnkottwcNjeU3oqTc7Ae/z8B704yBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:43.027017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060081
observed 79c5e5828e5382e850192a4dafd59ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:43.009562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060081/manifest.json
observed 3e6b72034beecbd168b6a08906b35951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.990785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060081/publication.md
observed 04816ef474a551e4fcb45ecc86766b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.970950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060081/publication.txt
observed e78878dbc15754d1d6f01a4b8c4435d2...
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.