OpenTechnical

OT-2026-000083042

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000083042) never changes.

Identity and time

Publication numberOT-2026-000083042 · never reused
Internal UUID01a0ae97-c961-7890-83b6-298514d9ed96 · 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-2026-000083042
StatusPUBLIC

Content hashes

Canonical text7435ea53b3c8754bf0df9dfa6dbd995840bc8151061aaf7c71df252c58850ad4
Markdown9b02dda154c091e83c988b5be4eb9becd21b6130b92c2b2cd128334d018eb50a
PDF
Publication pageabc49aa3500c232a7f5921a76f6e55ae127ff5851f659cc1b343a2495f44a45e
Manifest83a2418974619bf5a462b14d7bc43305c40daa98c40ca2eaae788c10a68a264e

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
SignaturerrxTHAHbMofHsxeYhjR+8tOjnrmdYwST3qARGv8UaOrLP2RJ5umncSVk4Rf/yz5AertNMM5Q9+H8R1So24whCw==
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

2026-09-17T09:00:24.654873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083042
observed abc49aa3500c232a7f5921a76f6e55ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:24.636383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083042/manifest.json
observed 83a2418974619bf5a462b14d7bc43305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:24.615699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083042/publication.md
observed 9b02dda154c091e83c988b5be4eb9bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:24.593565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083042/publication.txt
observed 7435ea53b3c8754bf0df9dfa6dbd9958...
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.