OpenTechnical

OT-2026-000039153

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039153) never changes.

Identity and time

Publication numberOT-2026-000039153 · never reused
Internal UUID01a0ae78-9673-70fa-baa3-87c1d1556dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039153
StatusPUBLIC

Content hashes

Canonical textc76a8aa69e823dd8bae0c41edc6a58e609c706099621669e96ce5868b013fa98
Markdown0a1043d1c3d559167512033432b0aaf00d28f6d423d0525a1006d7c57a5f43c1
PDF
Publication page4f7b4d37587835a9048956b307e9723c42c3bdaac42c9f26a93a33f8571249df
Manifest2e7bed182d49700f8b1dba3fcfac40c0ca05340eba8871ab31efbe1dbb199523

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+u6q/P6Uqq5qrdiaZ1oLRrAG2Px17ZiQxnYfBva4AFcwL3ExGxyg4cnwOcB6z0ChP/LGagsI+aEgxNgRYNy4BA==
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

2026-09-17T11:20:39.882272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039153
observed 4f7b4d37587835a9048956b307e9723c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.863459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039153/manifest.json
observed 2e7bed182d49700f8b1dba3fcfac40c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.843740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039153/publication.md
observed 0a1043d1c3d559167512033432b0aaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.825408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039153/publication.txt
observed c76a8aa69e823dd8bae0c41edc6a58e6...
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.