OpenTechnical

OT-2026-000025061

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025061) never changes.

Identity and time

Publication numberOT-2026-000025061 · never reused
Internal UUID01a0ae71-2729-7d14-8647-d0bb20769818 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025061
StatusPUBLIC

Content hashes

Canonical text01f4584b9df66b5ba1f2b9024295fd74a2fb253c6a6a482ffa08a8e4159e452e
Markdowne667562ad0707f8b294fc93a6184cfbc9b913bd6ca866ade86941fd7760dadac
PDF
Publication page850bfca991df7d74fb0c7ede699f244c201a57c9c686e78fae7c0c9b9b80090d
Manifest839570672ecb14b1f334e22bb6e5d112052a344a01e7a2491b671fe70ea70008

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
SignatureLZ/vUuJk4vKHNkkWlsxeZ0fJEyRSoKzVWMuVmlV9mh0xctJnJV7yKqoJRFLw1if6iVYLVYF5ix5OX3K+LHOkCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:28.285840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025061
observed 850bfca991df7d74fb0c7ede699f244c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.267709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025061/manifest.json
observed 839570672ecb14b1f334e22bb6e5d112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.248761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025061/publication.md
observed e667562ad0707f8b294fc93a6184cfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.231579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025061/publication.txt
observed 01f4584b9df66b5ba1f2b9024295fd74...
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.