OpenTechnical

OT-2026-000092291

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092291) never changes.

Identity and time

Publication numberOT-2026-000092291 · never reused
Internal UUID01a0ae9d-875b-7481-8f71-051f4d22dac3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092291
StatusPUBLIC

Content hashes

Canonical textf9fd495435f27b33ac0cddf813171e9cc9ff1705ba0c371751428949a1171d4c
Markdown3140a1e81350f4f2a61db07d1e1212749d512f2f8449ea7db6801e14adba2c64
PDF
Publication page39573420cc92c4bea78cc2c58df0d41c09c87aeefa8d8ecaa3227e66c663695e
Manifest7062177bb3e88c5c7e5bb1070247b126a21da50d4c5bdccf8fae2739a525e056

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
Signatureivue/ZvN6orK/AF09YYGS3uKXw3gFK567oGXts7T5bhGNvw9bIuS1cAfC4V8U2mkihWGTfi8/NvAmm+nR5RACg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:49.771442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092291
observed 39573420cc92c4bea78cc2c58df0d41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.754800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092291/manifest.json
observed 7062177bb3e88c5c7e5bb1070247b126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.736058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092291/publication.md
observed 3140a1e81350f4f2a61db07d1e121274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.716912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092291/publication.txt
observed f9fd495435f27b33ac0cddf813171e9c...
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.