OpenTechnical

OT-2026-000078083

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078083) never changes.

Identity and time

Publication numberOT-2026-000078083 · never reused
Internal UUID01a0ae95-6e8c-7bcb-a0db-007634a9dda0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078083
StatusPUBLIC

Content hashes

Canonical text6507216a7c72e137cec77183b668662756594f0d135a3d08361959657982e45f
Markdown77ca29d9b999b29186100ce5f32e734e8c1226a65cbd8c3120f6a3b88b444ae2
PDF
Publication pageb5b8e9327139863f9bd0d896a21bc19f8877807f7b143679ebe78da0e39ba1fb
Manifest2a43a38984d6b3043702ee25cbe2abd8bb9d599fba03d2ad9fd7faafecf08b45

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
Signaturet+OwM9SuoBDdAjWjMJx+88K8cKZAiqF3wH8l4+D4WOqdFCT2DoT62NubkupRDOBDJ6ogtTqbknNfAz+AnVrGCA==
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

2026-09-17T10:06:47.480090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078083
observed b5b8e9327139863f9bd0d896a21bc19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.461337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078083/manifest.json
observed 2a43a38984d6b3043702ee25cbe2abd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.443365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078083/publication.md
observed 77ca29d9b999b29186100ce5f32e734e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.423022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078083/publication.txt
observed 6507216a7c72e137cec77183b6686627...
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.