OpenTechnical

OT-2026-000095774

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095774) never changes.

Identity and time

Publication numberOT-2026-000095774 · never reused
Internal UUID01a0ae9f-fac6-71a8-9d1a-80122a305d8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095774
StatusPUBLIC

Content hashes

Canonical text5944bf867dca7514400d30aa0022cc2f8b0844d5215e9593c553a12d0ecdc3c5
Markdown5f2b2014dae48da46a85891d395b31966b939e3601e6a8968061369ab7fc2c0a
PDF
Publication pagea47b9cdbdfcd1280cdaa6ff5348f083b1316ea0dd5e989d70024f86abe656945
Manifestd19bbd563a8220d121678072068e770ecdfb950fa22a63fd4ebb087b98895b00

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
SignatureyPD9FnBKEjRCowwvsgHIQRZ8l4F1BpjnIz9QlWpa+RCU9saKxSglNd8PSVcdnBamTRJ9cIO2YR5KobSJf5CbBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:50.380215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095774
observed a47b9cdbdfcd1280cdaa6ff5348f083b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.363272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095774/manifest.json
observed d19bbd563a8220d121678072068e770e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.345192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095774/publication.md
observed 5f2b2014dae48da46a85891d395b3196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.327121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095774/publication.txt
observed 5944bf867dca7514400d30aa0022cc2f...
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.