OpenTechnical

OT-2026-000025773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000025773) never changes.

Identity and time

Publication numberOT-2026-000025773 · never reused
Internal UUID01a0ae71-a83d-7788-a35d-92cb2a439275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025773
StatusPUBLIC

Content hashes

Canonical text709e7ab2ba5320891a9466b7666d01c3bd71313e985457a47da8a7a406a22039
Markdowne99f249eb6884d664568975b7e7d069a7e142c616af39d9737e4b6705d48dbd2
PDF
Publication page0b42fc6be2192b3b6344a2c4207034f276fb71a843ec9ac04ad22d3fa0b86565
Manifest97223980e0bf390c753b1131db3890502cd73d3b5c9138954b107160e5d21d3d

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
SignaturezU/4KICW2KAONMfLNyRbIH4PFThCGbba3ZV2/P4ujZCVUQbXSVvINxm/aMR3aZ5H6qxKh1PFjUPgmfoevKL1Cw==
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

2026-09-17T11:45:58.398280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025773
observed 0b42fc6be2192b3b6344a2c4207034f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.378672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025773/manifest.json
observed 97223980e0bf390c753b1131db389050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.359957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025773/publication.md
observed e99f249eb6884d664568975b7e7d069a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.341552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025773/publication.txt
observed 709e7ab2ba5320891a9466b7666d01c3...
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.