OpenTechnical

OT-2026-000084471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084471) never changes.

Identity and time

Publication numberOT-2026-000084471 · never reused
Internal UUID01a0ae98-5b63-7954-8f23-16b34a40f3ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084471
StatusPUBLIC

Content hashes

Canonical texte4b205e0f8922b087129bd360c0629f399ea03d00f81b073755ed6da9304a9de
Markdown8c1f099ca6551b96a6bf2c32af48ec3737a376c5b2d34331c9e17bd32afbfb05
PDF
Publication pageccffca31d2bf2ae106595e1b8733eb00ab94a79ad85f4d05e648105801a56d6b
Manifestc60a3d3e87d326ff4da4c734855fd56c0b6f67e234eaf6a12260ae2e17bddded

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
SignatureKzgT3CoylEJ9lV3CIX1CdinwB2gdlegBwrYQASVtsTdYZEKKifFNt7q9DgB1ZWHG8J9Ucy3AjNwPXNOELVILBQ==
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

2026-09-17T09:56:26.208151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084471
observed ccffca31d2bf2ae106595e1b8733eb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.189443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084471/manifest.json
observed c60a3d3e87d326ff4da4c734855fd56c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.173681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084471/publication.md
observed 8c1f099ca6551b96a6bf2c32af48ec37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.156575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084471/publication.txt
observed e4b205e0f8922b087129bd360c0629f3...
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.