OpenTechnical

OT-2026-000070537

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000070537) never changes.

Identity and time

Publication numberOT-2026-000070537 · never reused
Internal UUID01a0ae91-5460-75ab-8942-51554cf034a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070537
StatusPUBLIC

Content hashes

Canonical texta148a2f4190074e4ff9a8798e0eb4c72c2db2402e8b8b2ee8b6002d92e574138
Markdowne58b60c90daf8f1ae3ad241637b7cea297794a3af33e29a43c4b7f73e5fb002b
PDF
Publication pagee27c5237f0046bc28c6f08ad8a0f5fe2bd04922f163a8afee4fadde69aa1cc8f
Manifesta508f527ab8d010932a58f6a29ff61e0b32eb91a45d1c05edbadbd3643f37b54

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
SignatureeaP84nVz+RPpWHAGENeyE2O/4J3pJZxL/ikJZnZUKP96GoQcLIYyqQy3W9XetmpJsFm2PWGZs8ecyQVwEGOvAA==
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

2026-09-17T10:26:23.034811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070537
observed e27c5237f0046bc28c6f08ad8a0f5fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.016127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070537/manifest.json
observed a508f527ab8d010932a58f6a29ff61e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.998070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070537/publication.md
observed e58b60c90daf8f1ae3ad241637b7cea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.980897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070537/publication.txt
observed a148a2f4190074e4ff9a8798e0eb4c72...
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.