OpenTechnical

OT-2026-000065220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000065220) never changes.

Identity and time

Publication numberOT-2026-000065220 · never reused
Internal UUID01a0ae8e-1df9-7c2d-9a67-f29266e42e3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065220
StatusPUBLIC

Content hashes

Canonical text31501639e0e611f9d5b4c553fee967d4cb73250517b430b648451c86320198bf
Markdowna0d700750a85cafd2fffc7a8ff9b72d694fcaa22aae012b2cef7bc86918b6565
PDF
Publication page82b4118b5b28ad5d1347afcaaa68e9faa61d83d78a878b2ece08732eae5e9f08
Manifestb22ea6c3847741cffd64d611eda7274d7fcdd8324afc681f7c2862ac6374f540

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
SignaturelIpj6u/LGMK4/CyPcxbYNR3P3o9tqYmjhhDIg0Ag3qIaHIQvf2zg0VjrBUVdmdEwfIHkgAsx+UiZizJN63eQAw==
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

2026-09-17T10:35:04.407288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065220
observed 82b4118b5b28ad5d1347afcaaa68e9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:04.391194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065220/manifest.json
observed b22ea6c3847741cffd64d611eda7274d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:04.374896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065220/publication.md
observed a0d700750a85cafd2fffc7a8ff9b72d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:04.353594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065220/publication.txt
observed 31501639e0e611f9d5b4c553fee967d4...
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.