OpenTechnical

OT-2026-000067294

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000067294) never changes.

Identity and time

Publication numberOT-2026-000067294 · never reused
Internal UUID01a0ae8f-6bd6-70b2-9e4e-16e9b48b0529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067294
StatusPUBLIC

Content hashes

Canonical text50f32d03e896f19ced152cae1243b7817c66fd1673a8914e46c7784169543cd7
Markdown21677cbf70baa846335fede1315b64b684de4900e4f7f58876b993635ff990ff
PDF
Publication page928a2cb9fdb9679c39129983f6b29c569817c450c5bc796769cb0806e8424ac8
Manifest369c2bce34fc77fc58244fcb3b8c0ab59514126974d0c9c1c558ec0d73a631e9

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
Signature+SPDioRfWxAxaXskNjQHgpv5cTdzoiiIRW+y4BExXL+odBv1BwU0EnERlHG3sKlYOwnnZyQq3+DpryflE/JMAg==
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

2026-09-17T10:30:58.758804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067294
observed 928a2cb9fdb9679c39129983f6b29c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.740945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067294/manifest.json
observed 369c2bce34fc77fc58244fcb3b8c0ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.722114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067294/publication.md
observed 21677cbf70baa846335fede1315b64b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.703127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067294/publication.txt
observed 50f32d03e896f19ced152cae1243b781...
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.