OpenTechnical

OT-2026-000072904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000072904) never changes.

Identity and time

Publication numberOT-2026-000072904 · never reused
Internal UUID01a0ae92-c814-7417-be55-3692cbb374f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072904
StatusPUBLIC

Content hashes

Canonical textd60d1e542e7686259119494055c84ab5b1d5ddcca3e315a425d8d8558161d8c1
Markdown9c19624ffa247835843c5bab50577b0bdcf0db7f6998915afb658f2ec6f8dbbd
PDF
Publication pagee32d5199133b0550170dafdf72f39311ec15d6a4291c26a19188ec34bacec6f5
Manifestac4cd27f45d242e686d0a0fe3da6d60ebcd40291706e4220367375ba1580359f

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
SignatureiMtzA+ou4gwzym1myiuN//9xy3RwjfrB3a1n0bDdB0Dz+GswiMg58C4P57bvaFAl9QoZaf7510f2a1eecpaHAg==
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

2026-09-17T10:21:48.777617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072904
observed e32d5199133b0550170dafdf72f39311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.759404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072904/manifest.json
observed ac4cd27f45d242e686d0a0fe3da6d60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.741659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072904/publication.md
observed 9c19624ffa247835843c5bab50577b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.722100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072904/publication.txt
observed d60d1e542e7686259119494055c84ab5...
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.