OpenTechnical

OT-2026-000066049

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000066049) never changes.

Identity and time

Publication numberOT-2026-000066049 · never reused
Internal UUID01a0ae8e-8dc2-7433-98a1-30f202e7b396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066049
StatusPUBLIC

Content hashes

Canonical textde7d3bc81c01cc89012af685350ac25ef66eca72057a7119a9da2f26a906967d
Markdown7d9ffe6226d5c95ebe665c6a10c745acff980b96a1a3374c105ee98bdcddf0e0
PDF
Publication page98a5b45523050d58f10aaad97520ce9e658b5eac327cb91fcf43a0dc5fcf707a
Manifest0ac2a331660d05cd9ec5d7ed3cf43ee9c707bff17b7c49a81b3ae5b359155a9d

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
Signature1o94pquYLuwphCUhe3ko/lQcxxNLQVtUiK0AjIg9LwfOiCpLWGuURpoHYC3Cm5cU1KmYVSpe9JyAXbI3auiNCg==
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

2026-09-17T08:50:39.732092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066049
observed 98a5b45523050d58f10aaad97520ce9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:39.586324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066049/manifest.json
observed 0ac2a331660d05cd9ec5d7ed3cf43ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:39.568181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066049/publication.md
observed 7d9ffe6226d5c95ebe665c6a10c745ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:39.550220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066049/publication.txt
observed de7d3bc81c01cc89012af685350ac25e...
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.