OpenTechnical

OT-2026-000088411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088411) never changes.

Identity and time

Publication numberOT-2026-000088411 · never reused
Internal UUID01a0ae9b-5d27-7fa8-8196-3cbf189c90f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088411
StatusPUBLIC

Content hashes

Canonical text8990944aaa68f75caeed3fa44d420aecee55c2bd98c874cbf91c8751b75139a4
Markdown199d5f160c2f5ecd1170b5f0d93025b4b510194879a6d9504da1a3838e9d9c1e
PDF
Publication page608dcb2f15d30e78bef1e55979ad53b0e44fc2e7aa2ae067558b1d2d38a915c8
Manifestae09fa9479360876730744bb17a3f1f6f14eb153684b206382ae501047e0e1b0

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
Signatureoc95lCAjMUg/50PrTxunH8GpAryJw5z7gqtOa6zqNueCvUCJDbao/VBXFQRTUcA/iDdzGdNcSt5IAEk1/h3lCA==
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

2026-09-17T09:48:46.550326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088411
observed 608dcb2f15d30e78bef1e55979ad53b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.532885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088411/manifest.json
observed ae09fa9479360876730744bb17a3f1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.515698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088411/publication.md
observed 199d5f160c2f5ecd1170b5f0d93025b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.498653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088411/publication.txt
observed 8990944aaa68f75caeed3fa44d420aec...
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.