OpenTechnical

OT-2026-000046567

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000046567) never changes.

Identity and time

Publication numberOT-2026-000046567 · never reused
Internal UUID01a0ae7e-57dd-7dcf-adaa-67502a53b288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046567
StatusPUBLIC

Content hashes

Canonical textf4280868bf364f0f149ad8a5e74266017fc24a184866514222d03f308bd77ff1
Markdown5e0e4bf16154b026c5d1d49c4fa6c6a6aae78030607d22a53750dd0834298b17
PDF
Publication paged892d193f9dd0b988db73ee715c641216c60e199bc9f35d2574bab2c87308c2b
Manifest1e13c96124ae32bab15a0ed50a5a4562fb83edc5edd1cc4a1e721796f2b98485

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
SignatureH7HGQV+AMWzjh+s8FrwliK+Bt/MbbTNXPJXENS/Bv/3mvOD8pW8qriyTGMzIAzJaMeYhc9c+Su2DW0MMQbXZDw==
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

2026-09-17T11:08:37.980602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046567
observed d892d193f9dd0b988db73ee715c64121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.961344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046567/manifest.json
observed 1e13c96124ae32bab15a0ed50a5a4562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.940879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046567/publication.md
observed 5e0e4bf16154b026c5d1d49c4fa6c6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.921245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046567/publication.txt
observed f4280868bf364f0f149ad8a5e7426601...
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.