OpenTechnical

OT-2026-000060042

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000060042) never changes.

Identity and time

Publication numberOT-2026-000060042 · never reused
Internal UUID01a0ae8a-5a70-7fad-a8ec-8298ad93ad5b · 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-2026-000060042
StatusPUBLIC

Content hashes

Canonical textae36a4078b6c2d53b4357cff209b3103ee255615dfe391321b218853696a339f
Markdown7fbcdee67c2d8ea62e8f4cec1bf72b7e529ded6d67f978685d30f3877b22cc55
PDF
Publication page4194d4288bad55045e8bd59d484a06766a3f93d0c701397d6845de0a1a2c0b96
Manifest6d145ea1102fbf480de032cc90e47ef788e8ed6cb1981ab1c7ae7587ad40243f

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
SignatureYkvE+P8ZaAMZ6l0Z25A2dWu/h+dJ+YG/inrqzqduc64r5n1wYuiBjF54Wlsd7cSyc9fFImJPEBs0IvmZOjqbAQ==
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

2026-09-17T10:43:39.782683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060042
observed 4194d4288bad55045e8bd59d484a0676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:39.763478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060042/manifest.json
observed 6d145ea1102fbf480de032cc90e47ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:39.746691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060042/publication.md
observed 7fbcdee67c2d8ea62e8f4cec1bf72b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:39.729904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060042/publication.txt
observed ae36a4078b6c2d53b4357cff209b3103...
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.