OpenTechnical

OT-2026-000083680

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-2026-000083680) never changes.

Identity and time

Publication numberOT-2026-000083680 · never reused
Internal UUID01a0ae98-0416-78e4-98a1-83dd8161fae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083680
StatusPUBLIC

Content hashes

Canonical textf2c6183daf6db03f0ed8179aec8d14623ed9e1aa423db2781d4a4da29e7e7032
Markdown12162b0b04e41f8d329d29d9c6d2c0c0ae328764102c54455c8d70c15fd75e1d
PDF
Publication page63086f954e2092bdd12be6c7e2303ec2b3f7264c34715e85f856b4a291a57496
Manifest36f0f057acfe397e8ff6a14f94942542f9771a3826857092a262723047c3bd89

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
SignatureWEaCsHwuZtLHHTG4+5jZzzW8xClmgU5GI4B6bDn3CujWCnxL7qvkgyLACPJxvD5I5C583RwtASikUwaLtYXpBQ==
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

2026-09-17T09:57:18.271065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083680
observed 63086f954e2092bdd12be6c7e2303ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.254491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083680/manifest.json
observed 36f0f057acfe397e8ff6a14f94942542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.237462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083680/publication.md
observed 12162b0b04e41f8d329d29d9c6d2c0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.221260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083680/publication.txt
observed f2c6183daf6db03f0ed8179aec8d1462...
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.