OpenTechnical

OT-2026-000080250

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000080250) never changes.

Identity and time

Publication numberOT-2026-000080250 · never reused
Internal UUID01a0ae96-7e77-7ba8-8fe4-74c7fa9c291f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080250
StatusPUBLIC

Content hashes

Canonical textd276c2bedcb144937ea394cf33b7b87a0790fbc6d17242a2233699257efe2757
Markdowne6c8dedf9eeca99c718e54c7c371d31e9c04bc26cae42aef5018332e529929f7
PDF
Publication paged37f767fed200058e1d6e7232b93145565e0cccf426bb39d23786156dff0ce59
Manifest5472a562da77584fd4b1f693f68a20f2628a3a8021514ed9cabb64484761109d

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
Signature3rro50QAOiBk0kqExDMNHNYc27q16bND/A89b8nsC82i2kEksDqUbBtahDOrYzwN9eWXBMabavdYk62jPEzQAg==
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

2026-09-17T10:02:42.644439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080250
observed d37f767fed200058e1d6e7232b931455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.627450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080250/manifest.json
observed 5472a562da77584fd4b1f693f68a20f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.607318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080250/publication.md
observed e6c8dedf9eeca99c718e54c7c371d31e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.590406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080250/publication.txt
observed d276c2bedcb144937ea394cf33b7b87a...
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.