OpenTechnical

OT-2026-000071480

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000071480) never changes.

Identity and time

Publication numberOT-2026-000071480 · never reused
Internal UUID01a0ae91-e0ed-7313-a545-60e6050fb19e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071480
StatusPUBLIC

Content hashes

Canonical textf4238e111288cc2b152b07ba7c0be15a981cb3efcccc3ec0af4e096c33df9f60
Markdowna959ebf1863edb415078d45b23dee68a2a1045a917643a7b5353361abb411c71
PDF
Publication page52b0409f21121232e499a272f1372b98afc3465c89270b86a6aae20e841cb5f7
Manifest7170d5cf0c17651c0de51cb9b68cec254f70ec9527c17e408c682b8bb4f7765f

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
Signaturenn6LiZtSsgdv3VsXXof+NU3scTIxpecH5vlTUkj0Rm9ttI5/LTHtn297cSFVrnpNKOSuCv96qY4rWhON2w1JBg==
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

2026-09-17T10:25:07.306296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071480
observed 52b0409f21121232e499a272f1372b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.288825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071480/manifest.json
observed 7170d5cf0c17651c0de51cb9b68cec25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.270422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071480/publication.md
observed a959ebf1863edb415078d45b23dee68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.253146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071480/publication.txt
observed f4238e111288cc2b152b07ba7c0be15a...
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.