OpenTechnical

OT-2026-000059477

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before 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-2026-000059477) never changes.

Identity and time

Publication numberOT-2026-000059477 · never reused
Internal UUID01a0ae89-8617-7cfe-af90-657fb70e154f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059477
StatusPUBLIC

Content hashes

Canonical textf7dd69e44130935c3780544b0044286dbb613efdc12e78d99f91a68ffc0d705d
Markdown445b04b892407c44e820f67a5e01c3e4c3ab5751a99cb9a320a7beeac159940e
PDF
Publication page5b4efbc3f616ab732388a42370c09616f5cb38c8c2fd59443613f365f9760505
Manifestf15e6cb8e4d03c41a668f3e21677b9b28fc60e43578daf02c91bcfa148fe6ca4

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
SignatureqqiCvq8l5y5cOBdFrYUY0FNQis3tegkGt47UviIv3rEHczqkJjE/ws6tectcdvW05liTh81oY5c8cpgDR+g+DA==
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

2026-09-17T10:46:10.696321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059477
observed 5b4efbc3f616ab732388a42370c09616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.678290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059477/manifest.json
observed f15e6cb8e4d03c41a668f3e21677b9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.659507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059477/publication.md
observed 445b04b892407c44e820f67a5e01c3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.640468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059477/publication.txt
observed f7dd69e44130935c3780544b0044286d...
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.