OpenTechnical

OT-2026-000081808

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-2026-000081808) never changes.

Identity and time

Publication numberOT-2026-000081808 · never reused
Internal UUID01a0ae97-0f75-72da-bddd-f753d0a24deb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081808
StatusPUBLIC

Content hashes

Canonical text8eac2d6dce4f3434ec7f807813b79b6d8d32c9bbcd317ad5e05d6ee2e9119d1c
Markdown5beb85d2ab3bd7e5b38098d8b179e5e7b1fa8da54252ea1dd40e85380480f813
PDF
Publication pagee4f61f6e370e2ba96cfbf2c9852b3b3e56b4ffd59c430441dcf32b0d052ed0b6
Manifest931f31250dbc8215201f9418ddfda4dfafd68cbff29884e879eccb3cdbfad651

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
SignaturebuE/sjWhHIuPwDUp647b9siWtgD2n7FW+i0LqYq0aNuhbN1J3fFeIw4LQiOZODKlq1pNbuEgfws+smXuNpMnBg==
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

2026-09-17T09:59:54.674936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081808
observed e4f61f6e370e2ba96cfbf2c9852b3b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.657834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081808/manifest.json
observed 931f31250dbc8215201f9418ddfda4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.639903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081808/publication.md
observed 5beb85d2ab3bd7e5b38098d8b179e5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.620023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081808/publication.txt
observed 8eac2d6dce4f3434ec7f807813b79b6d...
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.