OpenTechnical

OT-2026-000084256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084256) never changes.

Identity and time

Publication numberOT-2026-000084256 · never reused
Internal UUID01a0ae98-5b60-703d-834e-37a03bdb8a8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084256
StatusPUBLIC

Content hashes

Canonical textbcc0244d7ec62a7e188b4c31f4669418716263b8a88927d3d05aabdb2a3c3a9f
Markdown7c4454c962062051510f139c5afb2e86faffd3bf9c1755a07601816d052979fb
PDF
Publication page2e2cf3cde912c2c144a9fd51cc5665a1388a6b4ab40f745603154824b6f4f712
Manifest6e51dd56a6d30e9aae6ce230a4d00d41ddcf9b001ea9cf0120c358817e5a8db3

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
Signature7UumMBdyiggzo6d4fqYvpQ9H5lkJxl20X9dFiVFUl9im7SAbmh0ZlsmvWUivxY6Q7eYV3vkHziuJag8gQziOBQ==
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

2026-09-17T09:56:09.954166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084256
observed 2e2cf3cde912c2c144a9fd51cc5665a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.935817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084256/manifest.json
observed 6e51dd56a6d30e9aae6ce230a4d00d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.918982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084256/publication.md
observed 7c4454c962062051510f139c5afb2e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.899686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084256/publication.txt
observed bcc0244d7ec62a7e188b4c31f4669418...
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.