OpenTechnical

OT-2026-000037311

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000037311) never changes.

Identity and time

Publication numberOT-2026-000037311 · never reused
Internal UUID01a0ae77-b8cd-723f-b36b-07de69e1afc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037311
StatusPUBLIC

Content hashes

Canonical textf7ddb83289b9e556bfd804718433c413b3d1fa6aefb599febfee0de1ea778236
Markdown6c77fa13cd61c967c002f13d1b4ed11444ecdabb8c520f6ddbc515f3acfe1a56
PDF
Publication page096e6d33e162da69b304a699750b1604d903fe54122ff7af679b6adaf72749bd
Manifest1becdc9b99cb8191214479271844ea747002518f906a374a7c35a31cfd613d8c

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
SignatureEkFjA3RTebkMmvva1XnO68Bu78KfXnL/pGHlOxpmGVZrIo5PrjBLgO18/UjNPG0TPkJoAO+2Wa2FxXftQRZzAA==
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

2026-09-18T00:41:56.742233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311
observed 096e6d33e162da69b304a699750b1604...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:54.254939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311/manifest.json
observed 1becdc9b99cb8191214479271844ea74...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:52.341610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311/publication.md
observed 6c77fa13cd61c967c002f13d1b4ed114...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:50.730948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311/publication.txt
observed f7ddb83289b9e556bfd804718433c413...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:23:42.133285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311
observed 096e6d33e162da69b304a699750b1604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:42.112794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311/manifest.json
observed 1becdc9b99cb8191214479271844ea74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:42.092785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311/publication.md
observed 6c77fa13cd61c967c002f13d1b4ed114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:42.025862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037311/publication.txt
observed f7ddb83289b9e556bfd804718433c413...
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.