OpenTechnical

OT-2026-000076948

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down

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-2026-000076948) never changes.

Identity and time

Publication numberOT-2026-000076948 · never reused
Internal UUID01a0ae94-b071-798a-8384-7e954374a99e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076948
StatusPUBLIC

Content hashes

Canonical textcb23329383a293c6f458171c6f6e8fa9b073bf4802caf608274e7212e9591f62
Markdowna3c6b9e3d9903545c3685724c95cead4b157136395ad4916da44e645ca465f74
PDF
Publication page0448353ddd212ea45980d7dc70391817f62402dca740140c8ef284f1f70747a1
Manifestd1fd7759a800fa95815769e87f663cdcfbdeb26e82030313f1f331d524378132

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
SignaturesPFGRO1C4J7w6+FatcvzPnpRnjSDSNFkIjlzOfkZJoKCKZsZIJ1cBCM4yIoj8LvTe+O6MLBFwlnV+xjt/35SBw==
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

2026-09-17T10:10:06.311453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076948
observed 0448353ddd212ea45980d7dc70391817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:06.290358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076948/manifest.json
observed d1fd7759a800fa95815769e87f663cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:06.265699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076948/publication.md
observed a3c6b9e3d9903545c3685724c95cead4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:06.239264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076948/publication.txt
observed cb23329383a293c6f458171c6f6e8fa9...
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.