OpenTechnical

OT-2026-000041530

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041530) never changes.

Identity and time

Publication numberOT-2026-000041530 · never reused
Internal UUID01a0ae79-e89f-7352-8a48-4733749fd25e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041530
StatusPUBLIC

Content hashes

Canonical text54a09a5432a6e13f825247a5bdcac50df165edc065963fbe36323dc565bddf66
Markdown2a3d8631dee2671ad8d97f562fb3aceb2f41090dde2bdf4f2f4c1fd8f240ec64
PDF
Publication page04db0c4fefac43092cae6e5b10fc51c02598cc5ad83177c9ee61f213e1845188
Manifest0eb4588234d3f76d6fe79aab86400d7ed2bbefa2991d6060a9422984672209a3

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
SignatureGOZTiDvjrXG6U+4p0ICRqPLmNTL6/qTaQE8jtsW2tnDJLeFtBXFJicGML65n/x44M4rwLeR1UEXHDLFj8ajcDw==
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

2026-09-17T11:16:18.203635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041530
observed 04db0c4fefac43092cae6e5b10fc51c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.185875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041530/manifest.json
observed 0eb4588234d3f76d6fe79aab86400d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.169242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041530/publication.md
observed 2a3d8631dee2671ad8d97f562fb3aceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.150845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041530/publication.txt
observed 54a09a5432a6e13f825247a5bdcac50d...
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.