OpenTechnical

OT-2026-000071143

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000071143) never changes.

Identity and time

Publication numberOT-2026-000071143 · never reused
Internal UUID01a0ae91-e0eb-7fb5-ac40-505f0c83a048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071143
StatusPUBLIC

Content hashes

Canonical text99e55f0372ff120cf36e4ce190e94aabd9b2434e109a063c59cf8d5edf5a0c00
Markdownb8dc2edbee28a630db27cedcf4801c6eba4728744ce9818a6410cce7a542730c
PDF
Publication page39fd60bd98afbecdcc1e4d53a8176a69e258cd68b67e75caf1e4d1bb2f8e2e20
Manifest68b6500923ede8660f68ad0e325d3ec995cf6e3256465ce7fb274a1bf43c9f7a

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
SignatureItMkNnJrHnidsvWy6cLO4Px3/2vndIYqO/zR2M+AcgS5cHe9kW76pHIU0pWuJm/+iz9bMx5DL3bfVGkCmP6dBw==
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

2026-09-17T10:24:38.824497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071143
observed 39fd60bd98afbecdcc1e4d53a8176a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.806604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071143/manifest.json
observed 68b6500923ede8660f68ad0e325d3ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.788106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071143/publication.md
observed b8dc2edbee28a630db27cedcf4801c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.771239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071143/publication.txt
observed 99e55f0372ff120cf36e4ce190e94aab...
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.