OpenTechnical

OT-2026-000032439

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000032439) never changes.

Identity and time

Publication numberOT-2026-000032439 · never reused
Internal UUID01a0ae75-106e-7ecb-8ed0-15d1353be5d8 · 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-2026-000032439
StatusPUBLIC

Content hashes

Canonical text61161d5dc5b4cc156c2ca553de187eba21edd3205872e0a727b76f0dc0bbe952
Markdowneaee35a3efe472b608a5d8bc5dfc4300b6b92e6d2a4260ae34473aceaa0d0b9f
PDF
Publication pagef30fc4310659b7b243d94c0efb4677337516398d761b19bbc4807306dbb93722
Manifest1897a0dd506fa39e65eb443f5fd4c8a05027c477df778e1c1367fd1edf23e03b

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
SignatureOnki5WVRzM1ClIPwx+ILiE135og0Sr2t7EpEWu8FDb+sIHveWgce9DLLYzLLanXLemBrUeS5xWwE5wE91ej2Cw==
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

2026-09-17T11:33:51.829038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032439
observed f30fc4310659b7b243d94c0efb467733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.811102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032439/manifest.json
observed 1897a0dd506fa39e65eb443f5fd4c8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.792220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032439/publication.md
observed eaee35a3efe472b608a5d8bc5dfc4300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.775183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032439/publication.txt
observed 61161d5dc5b4cc156c2ca553de187eba...
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.