OpenTechnical

OT-2026-000100115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100115) never changes.

Identity and time

Publication numberOT-2026-000100115 · never reused
Internal UUID01a0aea3-1474-7a90-ba96-77a6603cb07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100115
StatusPUBLIC

Content hashes

Canonical text5c81696905854e91d3e8575b105528c1fb5c323efa7c5bf0a1d7e5d30b72da8d
Markdowna2162ec35f6a6a2a0392808b2929c5f8b322d74d416c8e2cb8878e46bfbf2e7f
PDF
Publication page23eeb028fa5a1a7e910a825015bf7b9d681fd0f3b072eb5764a38a259b41c1ca
Manifestf70c3431a483c83d0de597b41fae03f09af05a15d62ceed086cba45d37d736a7

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
SignatureEQhnQQvUhGod2LVLUBTCoNMpZJWeAvj8hndyKvLnVSie6YRBKhve7r22sAdqGwMOiwfyTEMEnlDEdhEAfS+iDw==
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

2026-09-17T09:29:04.679618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100115
observed 23eeb028fa5a1a7e910a825015bf7b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.661573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100115/manifest.json
observed f70c3431a483c83d0de597b41fae03f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.642971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100115/publication.md
observed a2162ec35f6a6a2a0392808b2929c5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.623675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100115/publication.txt
observed 5c81696905854e91d3e8575b105528c1...
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.