OpenTechnical

OT-2026-000007004

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified, contact triggered, 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-2026-000007004) never changes.

Identity and time

Publication numberOT-2026-000007004 · never reused
Internal UUID01a0a96f-3994-7f3b-8287-144d3c113651 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:13.879479Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007004
StatusPUBLIC

Content hashes

Canonical text896a9c62a1af6782d6cf212a8598fa6ed77f566fd1e031bc484ace6996d3826b
Markdowncb08b6e6274972a9691a1416923c79c87eb7cf712f0b6a62c00c972009ab8601
PDF
Publication pageb02a0d72e8d3aed58708dc037d195aa9e6ff5cea6a21446b2fd05a1bc72b7e79
Manifest35747dd07b71c2848edb897c9fe9239191e3ebb3ee85820a23bdcfe3d35efaa2

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
SignaturemBHWKF+iTPZ4fwQw5cTW3/2n8kWQ4NjxV8cQnX/8FQOJhV9cyw+38AmlQKW2MeoE/INGz+DPItob9ryNxsD2Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:12.730992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007004
observed b02a0d72e8d3aed58708dc037d195aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.716126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007004/manifest.json
observed 35747dd07b71c2848edb897c9fe92391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.701309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007004/publication.md
observed cb08b6e6274972a9691a1416923c79c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.686090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007004/publication.txt
observed 896a9c62a1af6782d6cf212a8598fa6e...
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.