OpenTechnical

OT-2026-000071546

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000071546) never changes.

Identity and time

Publication numberOT-2026-000071546 · never reused
Internal UUID01a0ae91-e0ee-7782-9b15-83a29534b44e · 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-2026-000071546
StatusPUBLIC

Content hashes

Canonical text99b13f41b9783cda77549859fb65d8d72834e2bc000b425a61c431ae46b797c9
Markdown22fd6d185dc13be3e0531470fefc75b4848aaeb3b5796795af76c009977bb8f7
PDF
Publication page0e21d46224dd917e6986051587916f0613575da6c1f4836dd3a008e2e6170b78
Manifest79bd412dcd5d4809bb43d99066197728f4d965b9c3ca6132e6ba95f3187c5fba

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
Signature22qGXe8XJWXaqAe60EzLAOqPd/GWI7SubAcThRZlrcTcuMWN/y6qO2elDOEu5MOE6LVUNBPV7JCHdAFqp2TSDA==
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

2026-09-17T10:25:12.072579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071546
observed 0e21d46224dd917e6986051587916f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.056868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071546/manifest.json
observed 79bd412dcd5d4809bb43d99066197728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.038401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071546/publication.md
observed 22fd6d185dc13be3e0531470fefc75b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.012096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071546/publication.txt
observed 99b13f41b9783cda77549859fb65d8d7...
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.