OpenTechnical

OT-2026-000015502

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000015502) never changes.

Identity and time

Publication numberOT-2026-000015502 · never reused
Internal UUID01a0ae6d-ef4a-778a-b45d-aa82eafc22ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015502
StatusPUBLIC

Content hashes

Canonical text8f575a599a165c082b7587256a68e23618b4dc71c306d943b91b6cd9fd7d2367
Markdownfbdb80370774c70075ba2f79269c6aee0bbab5be82b03d85cd0b9bc3bcce6f93
PDF
Publication pagea57ecdb5e80f4d4831d4191ac2b8998ac54a4f0d36f17128d4f9431a901f66a2
Manifestc0d374b4155db1518b9ebebb2a5abb27b5c4d467425bf7653ddb9c3303367786

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
SignatureZxPy+J/aLXoDhkhMngB6T+iIAx4GhWfGo0zgXyPPlSL3p6qfqJ3NlEpzs2NMbgsjP8IDFTgvGlrSzFR/Ar+JBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:16.183514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015502
observed a57ecdb5e80f4d4831d4191ac2b8998a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.163058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015502/manifest.json
observed c0d374b4155db1518b9ebebb2a5abb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.144120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015502/publication.md
observed fbdb80370774c70075ba2f79269c6aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.125709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015502/publication.txt
observed 8f575a599a165c082b7587256a68e236...
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.