OpenTechnical

OT-2026-000063191

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000063191) never changes.

Identity and time

Publication numberOT-2026-000063191 · never reused
Internal UUID01a0ae8c-94ab-7270-b836-7c4af539785c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063191
StatusPUBLIC

Content hashes

Canonical text5cf4c46d45485bfed9e999a33c09d2864eae18a84d1bff3c82c4314987f7dde8
Markdown8a39113d4c6af8ad7a7f079da57650faddee25c4b8fb810f1c4134919f3e0a81
PDF
Publication pagec9cbf5686eb1b26ed5ca4c1a9bdeb2c54be6243e2f2e09c88f8bed973a7ec98d
Manifest1ef718f5d67ce057bcb810f93b5dddd296b225644a520d6efd2295d5967d3b95

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
Signatures1MTEKZ+l+VAQ57TItVeeWZE0wKMjZw1Yv5Bc4vJskfhYR78ZXjPvTw5GhxU/Y+6Pwc+lDi1FMTmgsH2AvGqDg==
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

2026-09-17T10:38:59.254452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063191
observed c9cbf5686eb1b26ed5ca4c1a9bdeb2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.239118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063191/manifest.json
observed 1ef718f5d67ce057bcb810f93b5dddd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.221334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063191/publication.md
observed 8a39113d4c6af8ad7a7f079da57650fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.203829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063191/publication.txt
observed 5cf4c46d45485bfed9e999a33c09d286...
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.