OpenTechnical

OT-2026-000020318

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000020318) never changes.

Identity and time

Publication numberOT-2026-000020318 · never reused
Internal UUID01a0ae6f-437a-741f-87af-244f84ef84ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020318
StatusPUBLIC

Content hashes

Canonical textc37fd2ea821f0737a24b007309c5152f8fb37dedf6ef581356fdfaff63e8a704
Markdownee7e0437283af7ee9b0bc81f6ced9f621964a2852e394f42d8de9f088e3ffd87
PDF
Publication pagec7e711a5e28dbd44fa177efab589208db0c65c094bacd7d6f869b774c3a1f03c
Manifest2f0cd63b9cf5c7821b380b1a16b154abf60ac2b5566811bdc54381989742b7d3

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
SignatureAxnHqEmXu/xecuyj9wwjHwPW7aq7pwptb4pjksce1TGPs1hpPlgKkHU/cjnKku+FccW+CT4FYDdP0fLoMSl9CQ==
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

2026-09-17T12:00:05.201730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318
observed c7e711a5e28dbd44fa177efab589208d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.170243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318/manifest.json
observed 2f0cd63b9cf5c7821b380b1a16b154ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.146985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318/publication.md
observed ee7e0437283af7ee9b0bc81f6ced9f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.121669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318/publication.txt
observed c37fd2ea821f0737a24b007309c5152f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.999846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318
observed c7e711a5e28dbd44fa177efab589208d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.983055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318/manifest.json
observed 2f0cd63b9cf5c7821b380b1a16b154ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.967346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318/publication.md
observed ee7e0437283af7ee9b0bc81f6ced9f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.948920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020318/publication.txt
observed c37fd2ea821f0737a24b007309c5152f...
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.