OpenTechnical

OT-2026-000066309

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000066309) never changes.

Identity and time

Publication numberOT-2026-000066309 · never reused
Internal UUID01a0ae8e-8dc4-76a6-acae-6396294ee724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066309
StatusPUBLIC

Content hashes

Canonical textbe2443da5df539d37dd59d28ec971ebe1faf78a260b8ed0083736c816d214f7f
Markdown698fa1e7cbbab8bd4fc5f10628eac6997e117e1fa7688d12e6da0e51962e6ad3
PDF
Publication pagefff2e7cdd3b9f6cb435619ea4a29b4e2a1a1d974e86f5a8270bd3eb73eddaf98
Manifestfcc3d7dc9ed1d5317c2765a04e8ce7879bae1c0a453d4755794cc5e435b0c6c7

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
SignaturekpMeL/tEwnDZr2ZDCOUQ7Nwztoi6YCQKv0GNFm5zmz22f2+xtcs+/6M5tJCmsTjFXWbZurxeSdchI2rBqFXaBQ==
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

2026-09-17T10:33:29.682137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066309
observed fff2e7cdd3b9f6cb435619ea4a29b4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.664660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066309/manifest.json
observed fcc3d7dc9ed1d5317c2765a04e8ce787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.646778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066309/publication.md
observed 698fa1e7cbbab8bd4fc5f10628eac699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.630828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066309/publication.txt
observed be2443da5df539d37dd59d28ec971ebe...
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.