OpenTechnical

OT-2026-000009083

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, vented 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-2026-000009083) never changes.

Identity and time

Publication numberOT-2026-000009083 · never reused
Internal UUID01a0ae6b-31b8-7b67-a160-bf3b9ea90a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009083
StatusPUBLIC

Content hashes

Canonical text06c73d67493b3958b54f23069b78e7b1705bf62c8add00cf632bef7d90942c4a
Markdown8d6c25110e5a0a32d0e98ff2e727543d4ec10cab05d9192b0fbb3bf9b973abb7
PDF
Publication page5f0569e1ede415a14065f6cf90d3939bc87fa1e7298a8a06754c4aa0b326fb22
Manifestcf2efe00a28090dcda2738400c39695b660394ebfdf62543aa650248d65f9dce

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
SignaturesXegiq/IQ2NTe6uqndCpMXZVSsgyHi3cQ52AFhIWwDZDAMTLGlbnsefWOfsHnrQqOo4QcSvITzpBj8I015AbDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:45.320243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009083
observed 5f0569e1ede415a14065f6cf90d3939b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:45.300163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009083/manifest.json
observed cf2efe00a28090dcda2738400c39695b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:45.281203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009083/publication.md
observed 8d6c25110e5a0a32d0e98ff2e727543d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:45.258400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009083/publication.txt
observed 06c73d67493b3958b54f23069b78e7b1...
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.