OpenTechnical

OT-2026-000074767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000074767) never changes.

Identity and time

Publication numberOT-2026-000074767 · never reused
Internal UUID01a0ae93-ac2b-715f-b753-d50286bf94b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074767
StatusPUBLIC

Content hashes

Canonical textf3e666b3e3ffb57db87c7cc1eb5dda7b5e5b324a0b33cb48488520710aca0afd
Markdownc4db6cac009ea607eaf8062fc63764a4b8f5336fc4da389eaf615c855668f949
PDF
Publication page0cb571d97ca71503f17b5ef8136541a3ac3f34e0b584ba922541cb3e5b55d049
Manifeste207480fb13c17064b5e2e89bf3ca5be601e92fa5014bd411892253192058ca4

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
Signature8QqySlm1YPNgZ91b0j64QMpfa6n0VZPCUFXmG9q2Hmi7nqjHxjanf1JgtaJLp4sOwHxBU5mmQaomczjtOaRkCQ==
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

2026-09-17T10:18:27.631108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074767
observed 0cb571d97ca71503f17b5ef8136541a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.611749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074767/manifest.json
observed e207480fb13c17064b5e2e89bf3ca5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.592873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074767/publication.md
observed c4db6cac009ea607eaf8062fc63764a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.574800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074767/publication.txt
observed f3e666b3e3ffb57db87c7cc1eb5dda7b...
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.