OpenTechnical

OT-2026-000067023

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000067023) never changes.

Identity and time

Publication numberOT-2026-000067023 · never reused
Internal UUID01a0ae8f-14fe-73c7-8496-e6de50101f5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067023
StatusPUBLIC

Content hashes

Canonical textc5691512e6f1d701094d3959b4f672d2854b79af1581bfb503aee24960e5a08f
Markdown222362b99d49de3f19d500d3d086ddfb6cc2e4a03931793a6fe9233b349a67ac
PDF
Publication page1470e8affd8d5e5dc09dcc91f65a5bd669f461a5945c1b0600d46e0810e30727
Manifest0c43abc07a2aa4009a3618b59fdc9e7af16934b175a2afb1472f57e8b1452163

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
SignatureBpFT5FpueQsVPZXJsRgCRH18bRsq6QBPSSLHUK9X+iE39tcjyJlPL/X2p1iUKFxOcPJXyHnpbDkNQF13dzNVBg==
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

2026-09-17T10:32:15.402733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067023
observed 1470e8affd8d5e5dc09dcc91f65a5bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.385204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067023/manifest.json
observed 0c43abc07a2aa4009a3618b59fdc9e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.366956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067023/publication.md
observed 222362b99d49de3f19d500d3d086ddfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.346409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067023/publication.txt
observed c5691512e6f1d701094d3959b4f672d2...
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.