OpenTechnical

OT-2026-000032957

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032957) never changes.

Identity and time

Publication numberOT-2026-000032957 · never reused
Internal UUID01a0ae75-4843-7830-aea7-997325705e5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032957
StatusPUBLIC

Content hashes

Canonical text0471f260952fe3d3acaf1b4ddbe91169d91a571849c0c462078d4fe825effd58
Markdown5daefe583411e09492e355cf4f756b330d0af93d1761ec64b0eb4a9d3d672b75
PDF
Publication page8309998350cdba379491315c78153312ab81f58c388f21a1e7e67d7e1da6ec2c
Manifestedc28c137a2f132db7549a983a95d1a01d6768ce6087d2d8e66ac7f1fb01cf98

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
SignatureOVYJMyGBZvWsYMQhUg494+6JO2kMhHaY+a/8w38alkWbyv3OR2/GS6Y3CtGOu3lBWs1M9p8yGdQUn01Jw8beDg==
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

2026-09-17T11:32:33.763016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032957
observed 8309998350cdba379491315c78153312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.744853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032957/manifest.json
observed edc28c137a2f132db7549a983a95d1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.728100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032957/publication.md
observed 5daefe583411e09492e355cf4f756b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.708382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032957/publication.txt
observed 0471f260952fe3d3acaf1b4ddbe91169...
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.