OpenTechnical

OT-2026-000075676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000075676) never changes.

Identity and time

Publication numberOT-2026-000075676 · never reused
Internal UUID01a0ae94-29fd-7892-bf7c-7e6adcfa884c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075676
StatusPUBLIC

Content hashes

Canonical textb331a5cf44e8a89246fea14ac3b3bd464dd4cc28a787b9ff4e6ea0b7262fd28c
Markdown5ce228a722be78f13c9f45a65397fed8d20b377ab4250573760fa3f0efaab37f
PDF
Publication pagee08394032051ceaf1af5e5cf212094a7b5d43a280df969cbd8d1f4dec993a99c
Manifest462393a56445191f7d22a4e2cba05d2dfe8212d019784e527be01c517fbe6652

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
SignaturejRguLY+p0UQ3z/agPO9HZR3OWHAl1aJCFh/TJucXhp+7mqU1D8aeoFAaZSDeFixraPsKAaLmWqjDUQuHPqjEAA==
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

2026-09-17T10:13:49.296769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075676
observed e08394032051ceaf1af5e5cf212094a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:49.277735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075676/manifest.json
observed 462393a56445191f7d22a4e2cba05d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:49.260155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075676/publication.md
observed 5ce228a722be78f13c9f45a65397fed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:49.243260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075676/publication.txt
observed b331a5cf44e8a89246fea14ac3b3bd46...
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.