OpenTechnical

OT-2026-000015497

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015497) never changes.

Identity and time

Publication numberOT-2026-000015497 · never reused
Internal UUID01a0ae6d-ef4a-799e-8cf3-6723b47268a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015497
StatusPUBLIC

Content hashes

Canonical text5454a06eadad7a9ed04efe882990f79904c29c303b4a501a8ba31d408a9ed0c6
Markdown1be280fbf4f0a8682ba177baa372a1b9f537cb78eda2b4a62a7c89ab64499600
PDF
Publication page0507f780a1ff6e5a0aab9de2ddaf9b00e77b380db075324294bef6dd5041f5f7
Manifest61f7da8c1af54de03a0c494323ce4c632b6097accb17ea21f762a51a5dfd5d07

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
SignatureLHn6aaGzDahslKhUABhUqOVFgB19u55mF4Esg65Ne7TBoXoGVdw4qYTnKq6xjy6qMLySBBUTnDdp4BaZN7hPDQ==
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

2026-09-17T12:06:15.792128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015497
observed 0507f780a1ff6e5a0aab9de2ddaf9b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.771496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015497/manifest.json
observed 61f7da8c1af54de03a0c494323ce4c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.750410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015497/publication.md
observed 1be280fbf4f0a8682ba177baa372a1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.731675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015497/publication.txt
observed 5454a06eadad7a9ed04efe882990f799...
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.