OpenTechnical

OT-2026-000064105

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000064105) never changes.

Identity and time

Publication numberOT-2026-000064105 · never reused
Internal UUID01a0ae8d-a45f-7f9b-ac13-24fc399c2ff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064105
StatusPUBLIC

Content hashes

Canonical texte3f6dbdf56772a9ee29a3ec9ca17a024f59c66eceb9762f8aaf67b2ff09f9d00
Markdown8e815dc9f5800dbaa0e137304c3acde7f5b170b518d4fe7135e272a90364e4be
PDF
Publication page971f87901e91e334265ea25e2cab6734158be23ff87bc1f814497c954ada864e
Manifest5ca812f1b9fa00d68033edde4c3abb228d4ca8120d36a1d79aca0337d9f87be9

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
SignatureyjvYJbMzvBC8OpptB9aCN36mO8w/q+UCBzVHvlozDE1s4iq/Gdf9n3QwM8bWQGVHzzhN7hNEMhlO+c/lzYssCA==
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

2026-09-17T10:36:05.828527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064105
observed 971f87901e91e334265ea25e2cab6734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.810091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064105/manifest.json
observed 5ca812f1b9fa00d68033edde4c3abb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.791400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064105/publication.md
observed 8e815dc9f5800dbaa0e137304c3acde7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.770699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064105/publication.txt
observed e3f6dbdf56772a9ee29a3ec9ca17a024...
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.