OpenTechnical

OT-2026-000007859

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000007859) never changes.

Identity and time

Publication numberOT-2026-000007859 · never reused
Internal UUID01a0ae6a-908a-789f-be85-b38e3b3bf842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007859
StatusPUBLIC

Content hashes

Canonical text5495cc7bcd5d04422e3d7b2bd80e6b0f1eecdab5fd84c8370aa692b13632fa69
Markdownad8de66eb61aa1c86e54dc404e0e8a6fd4ef1c654da7399d15ead85c213bc8ad
PDF
Publication page3eede77355ad6d6d8c8b4bb5d41706ec6adb694568824b2ca317f963cc5b10f9
Manifest0d11550bb61ad7b8de715f38b820a8bcd1f2ac012550da8cefa65d229ad4812a

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
SignatureVNQsn6X+0seADnOwzLvcO/1AAmImRgrqQa3dp4kc4swHNv+vYMbcjwNPlEaCW2tPN+vUGnENsUWijZ7ceFnhCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:18.849697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859
observed 3eede77355ad6d6d8c8b4bb5d41706ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.832826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859/manifest.json
observed 0d11550bb61ad7b8de715f38b820a8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.814386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859/publication.md
observed ad8de66eb61aa1c86e54dc404e0e8a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.796602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859/publication.txt
observed 5495cc7bcd5d04422e3d7b2bd80e6b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.772293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859
observed 3eede77355ad6d6d8c8b4bb5d41706ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.753855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859/manifest.json
observed 0d11550bb61ad7b8de715f38b820a8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.734242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859/publication.md
observed ad8de66eb61aa1c86e54dc404e0e8a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.717979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007859/publication.txt
observed 5495cc7bcd5d04422e3d7b2bd80e6b0f...
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.