OpenTechnical

OT-2026-000086510

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000086510) never changes.

Identity and time

Publication numberOT-2026-000086510 · never reused
Internal UUID01a0ae9a-2c97-70b5-9bc2-3e49fcd6e744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086510
StatusPUBLIC

Content hashes

Canonical textadfe3d40c6f8ae4fe110cd56ec30a84ffb4512b4e05425831f501866ae26fbf7
Markdown29c2ddf8741564e6e2c8a69c87bc15675dd99dc480bb61fbf44670a0d54a61c0
PDF
Publication pagea073f5c108e5ca8765fc69cdc5c437e58c7997d34798d5eddfba1ecc2da7c41d
Manifest8abc253566af0f1284e3f921cc9b8bd7d69a9f96486f6148fcd471fe01227ac8

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
SignatureqOZgAF7nt3HtJJHIn2oSjTfBxPIrCjxcbyW/bbzNefRmufv3DtTwFu2w8SXOb9LKG24kq2MQO22EfwHsvA17DQ==
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

2026-09-17T09:52:19.781764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086510
observed a073f5c108e5ca8765fc69cdc5c437e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.764732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086510/manifest.json
observed 8abc253566af0f1284e3f921cc9b8bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.747444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086510/publication.md
observed 29c2ddf8741564e6e2c8a69c87bc1567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.729493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086510/publication.txt
observed adfe3d40c6f8ae4fe110cd56ec30a84f...
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.