OpenTechnical

OT-2026-000072112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000072112) never changes.

Identity and time

Publication numberOT-2026-000072112 · never reused
Internal UUID01a0ae92-47c1-739d-9f92-fc76ad6341d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072112
StatusPUBLIC

Content hashes

Canonical text6c282c4621c7f03a887c93749fcc6241fba41aea4e62f131c80d67db598c4de8
Markdown54f8f5125126c58364d3f807b46725e7f5c0313dc5ee6fcfb70b6cf31e56eb31
PDF
Publication page1752b22c093756b22c8d5ade35f6abaf08c7c41e703fd0f6cf28b0d573a4719b
Manifestebb8aad68e6423b3223c00849b56e3c49c03a9948e3e4d2d7d9a1887f4c91257

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
SignatureGr6yHMJ8N66mw2HwomE9BJ1myzRYdMhax7MfUM/e8AB8LatEMIxUo8e8Aua9Q65sVzhcg1H9FV8GBjGwjrxvBg==
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

2026-09-17T10:23:11.788939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072112
observed 1752b22c093756b22c8d5ade35f6abaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.770548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072112/manifest.json
observed ebb8aad68e6423b3223c00849b56e3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.750647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072112/publication.md
observed 54f8f5125126c58364d3f807b46725e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.708907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072112/publication.txt
observed 6c282c4621c7f03a887c93749fcc6241...
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.