OpenTechnical

OT-2026-000071366

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000071366) never changes.

Identity and time

Publication numberOT-2026-000071366 · never reused
Internal UUID01a0ae91-e0ed-7a6d-8411-f123b74ae0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071366
StatusPUBLIC

Content hashes

Canonical text7700c1171356cd714dbb29da7e41bf94f2fe94cab22cb9b3539185f9ccdad43e
Markdown90c0c0451018b249c03510d3ad7f2be4079f18f22d5778f923f3a8863b7452cf
PDF
Publication page8e03e01f30689b7cfdb74fecb4e8d0753939dde945683ad24170c23d692ee720
Manifest2c7b028c83b8d8373228495ebd9f07e24c5531963a661ad1f01c620d956d1f10

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
SignaturegrDE3TbQbTEZDEZ0LitruqS/DW69EggcYc2lvEQdO2alb/q5tRrublynnQ0VDE/S9Nl+oR4rm/zF7OQDApmrCg==
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

2026-09-17T10:24:58.755080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071366
observed 8e03e01f30689b7cfdb74fecb4e8d075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.737510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071366/manifest.json
observed 2c7b028c83b8d8373228495ebd9f07e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.717746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071366/publication.md
observed 90c0c0451018b249c03510d3ad7f2be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.698033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071366/publication.txt
observed 7700c1171356cd714dbb29da7e41bf94...
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.