OpenTechnical

OT-2026-000032305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000032305) never changes.

Identity and time

Publication numberOT-2026-000032305 · never reused
Internal UUID01a0ae75-106d-7d04-aa93-4974c712f685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032305
StatusPUBLIC

Content hashes

Canonical textcc36aa872c85191a5457d4d887ae1ea79afce6545c84b77fbc0b799ce213c9e4
Markdowna050ee5a4b37cce91a530f517de02937b35b8c08ca77480ea70da872db176aea
PDF
Publication pageac47a0a1fd4a1f75c86deada2dce7342b9a5b9afa06d249c74e4dfc48cc1189c
Manifestb7991335c4d4639c4c4dd57fff70e280db50a895b1a81f88358b45f4851a4e9e

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
SignatureIdJ2rzFah0R5L3oszUMmXgp2IxKT+rQqiAxHifgJADWdAiRIW6sD+xr0LPMMGIVacNlMt186NL1hy0sBf6axAw==
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

2026-09-17T11:33:08.182450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032305
observed ac47a0a1fd4a1f75c86deada2dce7342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.162597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032305/manifest.json
observed b7991335c4d4639c4c4dd57fff70e280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.138477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032305/publication.md
observed a050ee5a4b37cce91a530f517de02937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.120519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032305/publication.txt
observed cc36aa872c85191a5457d4d887ae1ea7...
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.