OpenTechnical

OT-2026-000104402

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000104402) never changes.

Identity and time

Publication numberOT-2026-000104402 · never reused
Internal UUID01a0aea5-3421-70e0-938c-bddd6f1a410a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104402
StatusPUBLIC

Content hashes

Canonical text8fddba9b9e5f39082ae6df0503bc6c5f0d49ab04323b0593dd9935b92247cff5
Markdown694c9f4ce4fefbecf56bc091be9d9eae2a407e3b6976cd1b886be4b93e6fd0d2
PDF
Publication page6731c4ba24315e602d802498ef4a2eab8ddcbb3aae05aef40d1dc6837d043be9
Manifestd253ab30f666481fa558d57e64bbb045fa361c3f855f96e1fa1a5f771f818a00

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
SignaturejSrXpB0yoiUG/CfKHga076WBDb34ATdYjGzaRURYAVJxrAxFTOfEB15qJtEfSiQrm+h0qTM4AiVy0nlgpGLBCA==
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

2026-09-17T09:21:40.299391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104402
observed 6731c4ba24315e602d802498ef4a2eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.282000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104402/manifest.json
observed d253ab30f666481fa558d57e64bbb045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.263789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104402/publication.md
observed 694c9f4ce4fefbecf56bc091be9d9eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.245818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104402/publication.txt
observed 8fddba9b9e5f39082ae6df0503bc6c5f...
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.