OpenTechnical

OT-2026-000046915

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000046915) never changes.

Identity and time

Publication numberOT-2026-000046915 · never reused
Internal UUID01a0ae7e-d0f6-7542-9f8e-b4a79d514958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046915
StatusPUBLIC

Content hashes

Canonical textde66374597ed2a79fd40896e360b92710d37da1ba483eade38f500d051b1aae4
Markdown37171c74840fb57dad66a5dacc4a4ee8e32023a5bcc6d855e93aa29cea6a44ad
PDF
Publication pageff761c9c65d8b1cc5e34af8007604fde4fb33f59968df9e5bfbfff89b65dd4b0
Manifestc4bdb1f4f1b1ffb17a92dc3ff9677f89dbd754ba3d93248db6acdcdd994a3bec

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
SignatureWjNig4VPoO3eGs0PieIqIbVpmrRGaZKPdUWQ/HHZ2gfnQM6e/QYUoBlMcmEAIOTKK4LbF8VKPZV0Aig9Vz8JBQ==
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

2026-09-17T11:10:03.626935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915
observed ff761c9c65d8b1cc5e34af8007604fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.608049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915/manifest.json
observed c4bdb1f4f1b1ffb17a92dc3ff9677f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.583100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915/publication.md
observed 37171c74840fb57dad66a5dacc4a4ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.560295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915/publication.txt
observed de66374597ed2a79fd40896e360b9271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.073895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915
observed ff761c9c65d8b1cc5e34af8007604fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.052884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915/manifest.json
observed c4bdb1f4f1b1ffb17a92dc3ff9677f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.029611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915/publication.md
observed 37171c74840fb57dad66a5dacc4a4ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.009665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046915/publication.txt
observed de66374597ed2a79fd40896e360b9271...
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.