OpenTechnical

OT-2026-000083045

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000083045) never changes.

Identity and time

Publication numberOT-2026-000083045 · never reused
Internal UUID01a0ae97-c961-723b-a8f3-a410e338ba80 · 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-2026-000083045
StatusPUBLIC

Content hashes

Canonical text8f05700afe582b3e42fa9f0d25674ef3a151eba413d8cccf7d749193059866ab
Markdown9a8a2621a1315c83514d1b4ca973ed3c5f4e083fe96ed555adab6ab45f8020c4
PDF
Publication page86260e45e44ebe1284a857f8d897f8fb92eaf7b683f7762ba0eeb2f7bdc3b52b
Manifest6e5be6f6b33febc263383669f09dac3e092df82a3c76e2876ac64b9b999a10b3

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
Signature1/Okz8ad1kEgO4xug7hhxUKwqlPye044fmvDv5ULjKFBJLkSnBV5imtBzMPq6aObj6iqgt1jKQW5VCVwNk9BCQ==
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

2026-09-17T09:00:25.136094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083045
observed 86260e45e44ebe1284a857f8d897f8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.115987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083045/manifest.json
observed 6e5be6f6b33febc263383669f09dac3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.097790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083045/publication.md
observed 9a8a2621a1315c83514d1b4ca973ed3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.074226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083045/publication.txt
observed 8f05700afe582b3e42fa9f0d25674ef3...
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.