OpenTechnical

OT-2026-000031036

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000031036) never changes.

Identity and time

Publication numberOT-2026-000031036 · never reused
Internal UUID01a0ae74-3fb7-7b51-bc33-e236dec70245 · 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-2026-000031036
StatusPUBLIC

Content hashes

Canonical text7fad6672984ec28b959648a3bf905c48df3475036ec8fba66d2fa932eb3651a3
Markdown7b0379dc58524e1e8fdc29a85808cc18b8312c8f55b8e6cf4432a5859139bba9
PDF
Publication page237f3e630be5a3d345afdd17b302e8d4cfac6503320bdd9ebddcefe47d4dd285
Manifestdea5b31c8c5a555a66b5736ff130154f13d71c1910d4ec978a31be9128d59199

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
Signaturezp8fgY42wIErO01lZqdckkwjf3Rh9udQxrKarrzWvZsv+1+5tWmt34mw3IVHTg+uklUt8c46P9FKrQK59XGdBw==
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

2026-09-17T11:40:08.091365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036
observed 237f3e630be5a3d345afdd17b302e8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.073291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036/manifest.json
observed dea5b31c8c5a555a66b5736ff130154f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.051489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036/publication.md
observed 7b0379dc58524e1e8fdc29a85808cc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.032560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036/publication.txt
observed 7fad6672984ec28b959648a3bf905c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.976429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036
observed 237f3e630be5a3d345afdd17b302e8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.958346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036/manifest.json
observed dea5b31c8c5a555a66b5736ff130154f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.940723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036/publication.md
observed 7b0379dc58524e1e8fdc29a85808cc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.923455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031036/publication.txt
observed 7fad6672984ec28b959648a3bf905c48...
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.