OpenTechnical

OT-2026-000031044

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031044) never changes.

Identity and time

Publication numberOT-2026-000031044 · never reused
Internal UUID01a0ae74-3fb7-7bdd-9ca5-8851ec81bc43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031044
StatusPUBLIC

Content hashes

Canonical textb91415f57ad03da4f390beac916e80eee0fb0a1c6f7799caedd2e1ef7413df7e
Markdown4b1ad3bc2f80a0f01cf4f3719dabf4b941413ba4d4534f58e0f41dc48323d454
PDF
Publication page5bb4291186dc9c1d5586909342400905eb2a34576a08e125ebabb2687299f578
Manifestd2aac0bc1b445bb88dea618734217cb9f2705139becc8782b6ff27b92090b340

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
Signature7GOvXZTuaLa1mORKyry9R/1MRtUlUw2XVRECpq/RjrBIGv8ldYG4/jJPsEHmjfpeQcv12VYxGuH3e6BkFmM7AQ==
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

2026-09-17T11:40:08.722869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044
observed 5bb4291186dc9c1d5586909342400905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.694199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044/manifest.json
observed d2aac0bc1b445bb88dea618734217cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.675124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044/publication.md
observed 4b1ad3bc2f80a0f01cf4f3719dabf4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.655221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044/publication.txt
observed b91415f57ad03da4f390beac916e80ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.561936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044
observed 5bb4291186dc9c1d5586909342400905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.544689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044/manifest.json
observed d2aac0bc1b445bb88dea618734217cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.522877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044/publication.md
observed 4b1ad3bc2f80a0f01cf4f3719dabf4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.504650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031044/publication.txt
observed b91415f57ad03da4f390beac916e80ee...
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.