OpenTechnical

OT-2026-000031419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000031419) never changes.

Identity and time

Publication numberOT-2026-000031419 · never reused
Internal UUID01a0ae74-87ad-77a9-aa76-d90d05ef1ddb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031419
StatusPUBLIC

Content hashes

Canonical text4ff57a2045d04d84d6e27a40b1a69280d576cba6239c2e6b439f70c6912891a2
Markdownf8c8400d207872d7f75cfbab68db4106ee27b515ee7b803c79f681b8a0588b8a
PDF
Publication page17aacba5b22cc7bd88422b224452a92823aa49fb9546d178eedac83e560bc1b6
Manifest666ec47e0e1f4c62490544c8ae7afc75a2ff6dce1822d2ebd6d48416e5711e29

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
SignatureDVL6x/FP2juOhwyh5maCEbwGGSuqv0K8nI1jLstf15bb8ERVilVIUNRY5Vg/Bd3Jjqj6o5TpOwMsvFgOQiUVDQ==
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

2026-09-17T11:36:08.189831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031419
observed 17aacba5b22cc7bd88422b224452a928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.171637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031419/manifest.json
observed 666ec47e0e1f4c62490544c8ae7afc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.152787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031419/publication.md
observed f8c8400d207872d7f75cfbab68db4106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.135559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031419/publication.txt
observed 4ff57a2045d04d84d6e27a40b1a69280...
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.