OpenTechnical

OT-2026-000021346

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000021346) never changes.

Identity and time

Publication numberOT-2026-000021346 · never reused
Internal UUID01a0ae6f-865c-7360-88e3-f4c139101b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021346
StatusPUBLIC

Content hashes

Canonical text2cafac46e6a947bd397bbf9163a709dd7498bf2618603e8bd87cd71f4ec527b6
Markdown130e9b46db9281426c468f22674e242eed5f1bf75a105ef1e8b4855717a6681c
PDF
Publication page6df35849884afb805d53abd9b91e72077e3b7c86fa76b4525acdfacf57e84947
Manifest1c1d27e7da00796e5f8dbb221635c2cc78bec3d63c1fc34190c45b5eebd87d6f

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
Signature79wadT5Tr2npp6Dvp+MaSZpy0eZBIIQ2NlqpppKW8NahZdK/dKZNOwZAsyCqXMKqUf1sZW76lNXmBAQzAEQWDw==
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

2026-09-17T11:55:12.026116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021346
observed 6df35849884afb805d53abd9b91e7207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.007892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021346/manifest.json
observed 1c1d27e7da00796e5f8dbb221635c2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.987418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021346/publication.md
observed 130e9b46db9281426c468f22674e242e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.963812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021346/publication.txt
observed 2cafac46e6a947bd397bbf9163a709dd...
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.