OpenTechnical

OT-2026-000025293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025293) never changes.

Identity and time

Publication numberOT-2026-000025293 · never reused
Internal UUID01a0ae71-5fa6-7da5-b70b-f7edec9c9d44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025293
StatusPUBLIC

Content hashes

Canonical text344080baab9b2f687de37ea152fe47d64ee1384c46082176138d844c8f7e3d38
Markdown4fbf77a05349dbeec292eee853ee3acccb5db1dca80a4de45ccf014ac80040f9
PDF
Publication pagee02173c42b405baa6ee7e50575e37f184a05d464590e357c745dad216c7e6885
Manifest00aa2067b4b4d3c3a26040732520860095096a23d1da2f462d3f00a32554dbff

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
Signature1t3qTlQjKL07EsVL/4nl/7ogch0vjiijKxCPomgfa1FoCalWicxVUWm6f7OE7UzVwSlBrADSFnLdSZWJJfwiDg==
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

2026-09-17T11:47:18.431859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025293
observed e02173c42b405baa6ee7e50575e37f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.413452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025293/manifest.json
observed 00aa2067b4b4d3c3a260407325208600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.394112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025293/publication.md
observed 4fbf77a05349dbeec292eee853ee3acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.372775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025293/publication.txt
observed 344080baab9b2f687de37ea152fe47d6...
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.