OpenTechnical

OT-2026-000013705

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000013705) never changes.

Identity and time

Publication numberOT-2026-000013705 · never reused
Internal UUID01a0ae6d-8de8-7e76-988d-491920a6d7a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013705
StatusPUBLIC

Content hashes

Canonical text9932e88885a37fc7664c0b8dfd4eda8512d7494e7906af2ace6a6eca434a20a5
Markdown57de984a04c96a1ff97f75024318422bc41cacf1bf4cc171993de83f4a2dad7b
PDF
Publication page587cf5f4ac0e4828e74deac05714dd018772a8f5d9e7df86c1cb8717127089b1
Manifest85ff0418f083dc0abcdf38aba77e7cf401c90ff1245b4854ce12ab3c214f6665

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
SignatureKfBAgaPyoemNAQXQea5mDGphaEpp5LPlO2llTHX0ZodDjNDypwj0PqZX0ld6RkNZJzlOE6v8kk5cu+UqPxFjDA==
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

2026-09-17T12:08:39.728562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013705
observed 587cf5f4ac0e4828e74deac05714dd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.710032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013705/manifest.json
observed 85ff0418f083dc0abcdf38aba77e7cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.690410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013705/publication.md
observed 57de984a04c96a1ff97f75024318422b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.672424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013705/publication.txt
observed 9932e88885a37fc7664c0b8dfd4eda85...
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.