OpenTechnical

OT-2026-000071903

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000071903) never changes.

Identity and time

Publication numberOT-2026-000071903 · never reused
Internal UUID01a0ae92-47c0-72bd-9c24-84f82e5e3b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071903
StatusPUBLIC

Content hashes

Canonical text36745fcbfd2ce3c9e088a1cd6de3061dba02c9c95bbab2469396c344deea4cd2
Markdown6547e06b6f13fffebf2f285754e105ffcd1b6e8b4a5ab3787b1fa73326c0a4be
PDF
Publication page926bd67697de0b5699765a69739f4577cecd312697b7ecaff18259109fe896b9
Manifestfbe53b7cb17b2e0247628c302884dba1ba6f3ac55e7f8d35453167552ade3723

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
Signatured7dKOP2DP/mKa1WohTtTfdXguuVxurgKYnJAD3lXzciZPTiDz5Tpu8kheWiutx+DJLw9yTDUYIDQ/2C2MQQfCg==
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

2026-09-17T10:22:55.641603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071903
observed 926bd67697de0b5699765a69739f4577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.621594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071903/manifest.json
observed fbe53b7cb17b2e0247628c302884dba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.604147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071903/publication.md
observed 6547e06b6f13fffebf2f285754e105ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.584272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071903/publication.txt
observed 36745fcbfd2ce3c9e088a1cd6de3061d...
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.