OpenTechnical

OT-2026-000046579

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-2026-000046579) never changes.

Identity and time

Publication numberOT-2026-000046579 · never reused
Internal UUID01a0ae7e-57dd-7e4c-aa44-7606662eb225 · 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-2026-000046579
StatusPUBLIC

Content hashes

Canonical textdf1d46a4ca10928df74bab0cf2c031287890c466fd7590b520f1bcf34d30f55a
Markdown10d368325d9820e376bab03d75590ccec6c0d97c03ab017709f43c59ea221cef
PDF
Publication pageabeac04d3316f79ad6631666dc1164f4d837ee6c03dde00615e0811b0fb3cb3e
Manifestd9fa7fe1ac43b4656bcca716873027534e3f8305aca9ba28f1fefcefa1c55882

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
Signature88D4h6s8loTm3BlvL292p7Algzso+gtoUqMtjGzfe/fgMPsrvw+KTQ5G9QTHZ9/iTmhxHTyqrPhcVpyGDwE9Cg==
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

2026-09-17T11:08:38.928200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046579
observed abeac04d3316f79ad6631666dc1164f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.910001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046579/manifest.json
observed d9fa7fe1ac43b4656bcca71687302753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.889738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046579/publication.md
observed 10d368325d9820e376bab03d75590cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.870600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046579/publication.txt
observed df1d46a4ca10928df74bab0cf2c03128...
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.