OpenTechnical

OT-2026-000005186

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, 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-2026-000005186) never changes.

Identity and time

Publication numberOT-2026-000005186 · never reused
Internal UUID01a0a930-a413-783e-9bdd-ef3a160b8200 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:52.374261Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005186
StatusPUBLIC

Content hashes

Canonical text8e7a7bf8d99a74df5724bc82dfa2956a3d0587a78ac699ad3648d4cb9d05c669
Markdown1ae6fa76c6206cbaf86873ebb3fe470f29b9e3c531c055a480ed0ea0ba3a7df3
PDF
Publication pagee24f3e2d306c93d8a7f058fbc0a53959f38cc7839edafb7f92063605cfa8f920
Manifest5540cea167850e0bc6e4a6400457b28b3c63db53d79f0bec030a1162a2882779

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
SignaturerL6H9jfIaYCBOU2f2k0FSYy+OHFbr/YAbjzkF4LSrBEZaHkSknM0wmfP1LE1NU96pWYu2Tzuxzg5nsYu4GKxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:05.979119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005186
observed e24f3e2d306c93d8a7f058fbc0a53959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.966942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005186/manifest.json
observed 5540cea167850e0bc6e4a6400457b28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.955299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005186/publication.md
observed 1ae6fa76c6206cbaf86873ebb3fe470f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.942565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005186/publication.txt
observed 8e7a7bf8d99a74df5724bc82dfa2956a...
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.