OpenTechnical

OT-2026-000059291

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000059291) never changes.

Identity and time

Publication numberOT-2026-000059291 · never reused
Internal UUID01a0ae89-8614-78c9-b603-502e3a6a1d03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059291
StatusPUBLIC

Content hashes

Canonical text0b053e59e068e6988fc2c8be9b114f37d983c3e47e3e5d5ab1918079bc651adb
Markdown1f513833ff713849e64018db0855ba4319647d7e8d0ea8ec2d9d2ef7be2ff573
PDF
Publication pagea4ce666e08734b8ac619e3f6663edae2188589c20220bc86b955956dab14f393
Manifest9e67207c83ecfaee47a594312552bfebbd66ffc21799c93b7e3094be68ade823

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
SignaturekxgPI7bVDwKkL+YNvGi2klwQMG2fnp416AWHSa+hP20YCy1fRdVcRh0ToVVCxKpkVkpHh5cKmJpypla8ezYvCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:50.980803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059291
observed a4ce666e08734b8ac619e3f6663edae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.961616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059291/manifest.json
observed 9e67207c83ecfaee47a594312552bfeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.942428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059291/publication.md
observed 1f513833ff713849e64018db0855ba43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.924632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059291/publication.txt
observed 0b053e59e068e6988fc2c8be9b114f37...
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.