OpenTechnical

OT-2026-000006007

Publication integrity record

Porous face vacuum gripper, two zone face, per zone isolation, plant vacuum fed, contact triggered

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-2026-000006007) never changes.

Identity and time

Publication numberOT-2026-000006007 · never reused
Internal UUID01a0a94c-12c9-714b-8ff9-95c0a29c6b21 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:50.187719Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006007
StatusPUBLIC

Content hashes

Canonical text1dee1e8d5e5dc45409af6b8d3b1aa42575b9b1799817b4de4fc02f0c689e9403
Markdownf3a6ef9ab4e7b85aa5cf9f4ce2a1fa9ffbf30fb5715419d1fefc66b0d71cc08d
PDF
Publication page97b1dc4f743361c848fd5a4b7707975466388e2b126fd0205cde5d9646ce86f3
Manifest97e2d7c29c80d61a03015355bf2dddcf47fab56f76c397845e58f95875db0e79

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
SignatureJOfycp2vLH/4w+7eVnhuSn/CXL5A+l6q2xXGLv90eP4dFODL7jPcWEJl0Iaj24UfYsT1Uh2h3cABeJteCyDpCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:06.440595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006007
observed 97b1dc4f743361c848fd5a4b77079754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.422688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006007/manifest.json
observed 97e2d7c29c80d61a03015355bf2dddcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.400396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006007/publication.md
observed f3a6ef9ab4e7b85aa5cf9f4ce2a1fa9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.383636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006007/publication.txt
observed 1dee1e8d5e5dc45409af6b8d3b1aa425...
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.