OpenTechnical

OT-2026-000067731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000067731) never changes.

Identity and time

Publication numberOT-2026-000067731 · never reused
Internal UUID01a0ae8f-c4f9-7538-a2b9-17bfca312960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067731
StatusPUBLIC

Content hashes

Canonical text7faf21f7462d341aedbea5d2eb1ad96ca52b117a7ebfee7a749e18df5fcde15d
Markdownf5a6d79dc50003f6006f11a27ea710f5f72aef7ae40341e8b493dbaaf875032d
PDF
Publication pageea8a13308b2ca80fdf9e4f3e5136a53352194d5c7e7b6384ed80e06dc5e452b5
Manifestbda00f880ad4a366495251ee2832fb0fe0e6edd37057aeef9223dbdd2a6a946c

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
SignaturehZ3+tDY91MQgW2Ck2WMdwHtrG/tbzNqEQizAPm/9cHcVzfsr8xM0qLsFCI03HOlhJb9hV13KW33iPddLFXBEDw==
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

2026-09-17T10:29:56.920655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067731
observed ea8a13308b2ca80fdf9e4f3e5136a533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.901650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067731/manifest.json
observed bda00f880ad4a366495251ee2832fb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.883544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067731/publication.md
observed f5a6d79dc50003f6006f11a27ea710f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.863148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067731/publication.txt
observed 7faf21f7462d341aedbea5d2eb1ad96c...
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.