OpenTechnical

OT-2026-000041136

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000041136) never changes.

Identity and time

Publication numberOT-2026-000041136 · never reused
Internal UUID01a0ae79-b142-7a55-a37b-003f8d65aad0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041136
StatusPUBLIC

Content hashes

Canonical text11a443f79cc73913b78287c576a739e7743c0dd761864d1974fdcec248a66c1b
Markdown7bd2898e8f1983d97d65d2cb24b37439fbc5e4af732dbac3815342d67427482b
PDF
Publication page1464f50a81395e766cd7715c8f2d447237e87683bd650833711dd52af0427e53
Manifest2c57557fbfc909abce8ee1dcaf068cc6de311cbff2c39e468b539420992acee7

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
Signature5q9IGt8Xrbsp8Mr/1KBdZ5iAywgCgVJvDVrJgCmaUVn1eh4DT0C/DcdEdD5RYFj5dWgEGh+PSxhWqQh8JnS6Dw==
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

2026-09-17T11:17:04.497820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041136
observed 1464f50a81395e766cd7715c8f2d4472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.479528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041136/manifest.json
observed 2c57557fbfc909abce8ee1dcaf068cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.463184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041136/publication.md
observed 7bd2898e8f1983d97d65d2cb24b37439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.443652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041136/publication.txt
observed 11a443f79cc73913b78287c576a739e7...
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.