OpenTechnical

OT-2026-000072067

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072067) never changes.

Identity and time

Publication numberOT-2026-000072067 · never reused
Internal UUID01a0ae92-47c1-75ae-bf7e-57819a896d8d · 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-2026-000072067
StatusPUBLIC

Content hashes

Canonical textd7e6d44061a187ce37a402a0084a79901bdc28b5bf33bff0df6e4862c28864e4
Markdown50177d2010747be280dd2c095e0158f94b409ce810e859fb77304944b35fdfbf
PDF
Publication page4ed5fd40788791efc16554f796317de75089eb5d782d9ddb99bad3b738460082
Manifeste2b79a763993192395ec153b027cb719c2a303714c6a1b8d5abbded8f92d14f0

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
SignatureMo4YfIG9G+aYZOWh76kpoQGfnUTbrTTXx4xQ9PcNjxWDYpi0j5hHK7ZNT/++slcygEKJSgCvA2un43VmKMwgCQ==
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

2026-09-17T10:23:08.480801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072067
observed 4ed5fd40788791efc16554f796317de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.463716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072067/manifest.json
observed e2b79a763993192395ec153b027cb719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.446871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072067/publication.md
observed 50177d2010747be280dd2c095e0158f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.430520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072067/publication.txt
observed d7e6d44061a187ce37a402a0084a7990...
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.