OpenTechnical

OT-2026-000082786

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000082786) never changes.

Identity and time

Publication numberOT-2026-000082786 · never reused
Internal UUID01a0ae97-8cc9-7935-bdfb-7606a5d4b26b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082786
StatusPUBLIC

Content hashes

Canonical texted31fc1295e34669fcb9eb4643e10ec7309ec4a04a0cfd3281492e4f338fed58
Markdown2f56e741e12d4faba6dcbb783d0d5ef8be8888e6d4424d8b059dcd88b13804c9
PDF
Publication pagecf97fbbc72ca958e4c9649a4062e1c3eab7aec8d0b17a09df26a173d5c6b0d5b
Manifest26237134d2d7b2232367424044092e5460b70c5427f104a57c2b7da9229726c2

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
Signatureyih5XBVivCdH3/7cNwSxf0LL+Z5d7PMUgIlzNuhiU0bctYMlqAHky/AAQvrNeDIqDQNVUC6s8natVxAt1rtKDg==
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

2026-09-17T09:58:22.575521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082786
observed cf97fbbc72ca958e4c9649a4062e1c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.557181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082786/manifest.json
observed 26237134d2d7b2232367424044092e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.540112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082786/publication.md
observed 2f56e741e12d4faba6dcbb783d0d5ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.523465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082786/publication.txt
observed ed31fc1295e34669fcb9eb4643e10ec7...
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.