OpenTechnical

OT-2026-000080800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000080800) never changes.

Identity and time

Publication numberOT-2026-000080800 · never reused
Internal UUID01a0ae96-b974-73e8-9d7d-3f32ceb37078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080800
StatusPUBLIC

Content hashes

Canonical textd221f5fa4baf92e8c08ccd5084f9390f5c80cc9001cd36aec1561380134ce3cd
Markdownb1df82f9f6f27a77614903612c4e52ce17d756d12016c98f96323f4f89d670b4
PDF
Publication pageb51eb2772ca25d64bc7caa0f4cb4d605ce9dc64838b4b4d19ff554866e44c1ce
Manifest6822613b9f7058c1c1d9bab84935de878d6658e8f5cadd9943918fc6d9ec12cd

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
SignaturelzjVTaXPkjlNJm3/u8Jtqau2tIbGJENrMtt2Wt9SQm05hxk0jH4zc8pdW8Lffck2yXsXnMH1/hSE80es4OO0Cg==
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

2026-09-17T10:01:58.664326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080800
observed b51eb2772ca25d64bc7caa0f4cb4d605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.646592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080800/manifest.json
observed 6822613b9f7058c1c1d9bab84935de87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.628836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080800/publication.md
observed b1df82f9f6f27a77614903612c4e52ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.611352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080800/publication.txt
observed d221f5fa4baf92e8c08ccd5084f9390f...
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.