OpenTechnical

OT-2026-000083131

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, sustained 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-2026-000083131) never changes.

Identity and time

Publication numberOT-2026-000083131 · never reused
Internal UUID01a0ae97-c962-7c8b-a35d-980ca0c5c068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083131
StatusPUBLIC

Content hashes

Canonical textacd5a0d646812cdf0841a5a605eabb4a31b5a02b0f4042e3d35f07c093e1ed84
Markdown94f024093d837c0d881a37b01f779dba56ce6e1a54ef22f72aad85140c1b6c37
PDF
Publication pagebe0a82f2c2aaa47a20cda0409c57912665a60a0a17035e76bc4b5ed1a283d49d
Manifest829a169acbd049cbbbb9ba53bf8807023aec03fa63070c84c71b5d0cb41e26a7

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
Signature1ynn9sc7ECkXAWCTOwH3yOOM4/XPE9F1jrR5L+DdsQ5ksP0/0E9UF48jMvXUTzPQOE7FtkDzJX3QzkTUoa8MDQ==
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

2026-09-17T09:00:45.823174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083131
observed be0a82f2c2aaa47a20cda0409c579126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.677044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083131/manifest.json
observed 829a169acbd049cbbbb9ba53bf880702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.656209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083131/publication.md
observed 94f024093d837c0d881a37b01f779dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.637682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083131/publication.txt
observed acd5a0d646812cdf0841a5a605eabb4a...
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.