OpenTechnical

OT-2026-000055685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000055685) never changes.

Identity and time

Publication numberOT-2026-000055685 · never reused
Internal UUID01a0ae86-a103-765d-ab8b-57ce1a5f3b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055685
StatusPUBLIC

Content hashes

Canonical text8cf4aed15443fd54bcc18e465fb315c9bed7fe6530447ac15382db02ba7be654
Markdown3f61ef3089502ac6a19dfadb1a93ada58654c9756efeba6c8bdad35e860e2e7b
PDF
Publication page3ac5b497e7ceaf5aba047e27c6b7032674dfb3595664988baaaec21bed920ca2
Manifest86b979178bcffae4c8228a2a9f1bbbc6d584eb616c807d9b953de38689c74eb7

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
SignaturepMGCIMDhuToLRfi84HHrfQMV07OMGOUF+9XMaR3IPkxbDZC9VAtNUeUOL9r6GN3obZjujwLeRxg8cd9EZE8CBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:59.620346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055685
observed 3ac5b497e7ceaf5aba047e27c6b70326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:57.088388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055685/manifest.json
observed 86b979178bcffae4c8228a2a9f1bbbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:57.069600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055685/publication.md
observed 3f61ef3089502ac6a19dfadb1a93ada5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:57.051924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055685/publication.txt
observed 8cf4aed15443fd54bcc18e465fb315c9...
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.