OpenTechnical

OT-2026-000020085

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000020085) never changes.

Identity and time

Publication numberOT-2026-000020085 · never reused
Internal UUID01a0ae6f-1fb8-7a37-95d5-04c4e8c539bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020085
StatusPUBLIC

Content hashes

Canonical textd6f2f23fa49698f685df63530b1bd3ec8a65fdd2f12c57355c7f02112a8e597e
Markdown205340fdec0174e9838f86f3dfd420b225984e1c276b52c78a1742aa5ec70de7
PDF
Publication page9bd5dbf18eb484b0ff800a9ee6e683a9e4e5efb8d91a16b8a82ce467ab26487c
Manifest7885baeb463628e4ce4260db5f05c27376bbefd140ec948f0d33a0c19f3ef0f4

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
Signature8Lfm/3s4Hzy35X8f2S6K/vDIfmgT1oWd1z3incvtuhqxT1YvOraeNvhQ0p3hnPDGMs4VFPDYIlJq3WV0zDoaBg==
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

2026-09-17T11:58:20.304432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020085
observed 9bd5dbf18eb484b0ff800a9ee6e683a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.285862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020085/manifest.json
observed 7885baeb463628e4ce4260db5f05c273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.269053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020085/publication.md
observed 205340fdec0174e9838f86f3dfd420b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.251562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020085/publication.txt
observed d6f2f23fa49698f685df63530b1bd3ec...
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.