OpenTechnical

OT-2026-000036798

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036798) never changes.

Identity and time

Publication numberOT-2026-000036798 · never reused
Internal UUID01a0ae77-773e-788c-b2e5-d7f9af4aeecb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036798
StatusPUBLIC

Content hashes

Canonical text9e6dffca2ff21ce10b31bfa2e63f59b0c379c87d75e7097a7ea2c8418e79b363
Markdown90ac5f658ebeed0a74318fc54b104f6791a41e4e4c217192578675c9510839d3
PDF
Publication page26164c6a2d6175d960f4a03a21fff797d37c417f69089c8d276f33f74d7b5d22
Manifestefe382391f4ad0517f2ad9f96487fcb33244fb0846630977cf77cf36ece78f56

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
SignatureFqSzIrYwHNg/fcUf0Gpmd94p4D6u68a/T6WrXDtSOg3gVjpxpfaqTD2qifvMDwGd2uYeHVo+eFD31QmCRs2kBA==
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

2026-09-17T11:24:24.418367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036798
observed 26164c6a2d6175d960f4a03a21fff797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.403625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036798/manifest.json
observed efe382391f4ad0517f2ad9f96487fcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.386604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036798/publication.md
observed 90ac5f658ebeed0a74318fc54b104f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.369346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036798/publication.txt
observed 9e6dffca2ff21ce10b31bfa2e63f59b0...
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.