OpenTechnical

OT-2026-000080556

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000080556) never changes.

Identity and time

Publication numberOT-2026-000080556 · never reused
Internal UUID01a0ae96-7e79-74c0-b7c3-22f8868580ca · 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-2026-000080556
StatusPUBLIC

Content hashes

Canonical texta45a10c7d142014d4021173453559c6a058c286f90d27b716726e7258dbca710
Markdowna703aec1d79403e2356974616b6874f0b9e4ce2b2a727b5bd2648226698919b9
PDF
Publication page1d4dd7925b961e005635bdad46ca63795fc3110bac664966a60569e85dcc699d
Manifest1801d906550da59c0d38bde2df87916258eebb98d0d888e6d87c78a53fdb6b98

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
SignaturegaGcpW3pWk1m1haSXozyCes6lWmyjGdCkL/t/ZRTtYXOLiqDu3WrKbkOUO9QmnQGC8xLaNqc5spOpDBeqNEpDw==
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

2026-09-17T10:02:35.330535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080556
observed 1d4dd7925b961e005635bdad46ca6379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.314483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080556/manifest.json
observed 1801d906550da59c0d38bde2df879162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.295871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080556/publication.md
observed a703aec1d79403e2356974616b6874f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.279885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080556/publication.txt
observed a45a10c7d142014d4021173453559c6a...
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.