OpenTechnical

OT-2026-000072508

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000072508) never changes.

Identity and time

Publication numberOT-2026-000072508 · never reused
Internal UUID01a0ae92-89d8-744a-8b56-eec65ca06116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072508
StatusPUBLIC

Content hashes

Canonical text67f1dc712ab9cfeff1693710b1589431bdd4e81b74e4982e32f423090909dd34
Markdown96c6f08fc3b3a477d3ff099c3ea9cf7037d1dd9f0f5bae1e1d4a332b4205aad1
PDF
Publication pagef27ca76c00412a829425ff528286fad2aa4bb93a27126b9cedd4704010c0fe0a
Manifest5b707961af163b0ac975e26e051e5c8bc327d43549deb369c0469a3385f68593

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
SignatureH/foYcKlcZjLRrUdO4fCpBbDgV7kN7Ov5SDzsWqCrFV6aWVhJERmNbZspVtyKQvhivVbtqbEYNMkyzQFw3F1AA==
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

2026-09-17T10:22:20.176833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072508
observed f27ca76c00412a829425ff528286fad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.159048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072508/manifest.json
observed 5b707961af163b0ac975e26e051e5c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.140554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072508/publication.md
observed 96c6f08fc3b3a477d3ff099c3ea9cf70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.122889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072508/publication.txt
observed 67f1dc712ab9cfeff1693710b1589431...
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.