OpenTechnical

OT-2026-000025204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000025204) never changes.

Identity and time

Publication numberOT-2026-000025204 · never reused
Internal UUID01a0ae71-5fa6-74a2-aeeb-9d24b901bd01 · 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-2026-000025204
StatusPUBLIC

Content hashes

Canonical text449b751cd5b009a732754b77ff0dc5c4b3214291da971373ee5f1ed54e50b121
Markdown91f053ff10f23c8a3267fa6b9294548f310780badd946f0aa0a1d4df7783ea4c
PDF
Publication page3dc5fed535e6ae4769e29aa873465ef34e414704970b1e7c790d31dccdaa63f1
Manifeste465c406af673a02c532a08c00e9c957559cc257d3a093e4d39f66f8c4cf894f

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
SignatureYFjgi55vSAepnuUygtd1hfDnhmy3o6BIrGKq01PtIPQodNducjIRhx+u1hYbSphqSVQ5YhJF5lsDtgJLn6YaAQ==
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

2026-09-17T11:47:11.826138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025204
observed 3dc5fed535e6ae4769e29aa873465ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.809269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025204/manifest.json
observed e465c406af673a02c532a08c00e9c957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.792173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025204/publication.md
observed 91f053ff10f23c8a3267fa6b9294548f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.774111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025204/publication.txt
observed 449b751cd5b009a732754b77ff0dc5c4...
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.