OpenTechnical

OT-2026-000097920

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000097920) never changes.

Identity and time

Publication numberOT-2026-000097920 · never reused
Internal UUID01a0aea1-92f7-7ebe-8487-89532336d57f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097920
StatusPUBLIC

Content hashes

Canonical text440b473260b05e2ce3ccd689e774401d22ad19071ed8111035472b901074cda4
Markdown27bb47dedc1f5f7d4d2234a438dbb75e40ecabb769430d0b8c7e7dfda69a96be
PDF
Publication page923f7f7cfe6288f9b4c196f692e1f33f1ae6af1b1b50e0b4fe61154119a7fe55
Manifest2c60b37f3f022aeab2fd5a191dc88091f69601c051a330116d76c127eb46f7a4

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
SignatureJrlkm7/DSpLIhWjtZVnpJvDGtP6Cvb4K9dziowx1HFHDQWNxJ+INu/ugFuoZGCk3CdXfhvdZx+00gw/03huEBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:02.958365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097920
observed 923f7f7cfe6288f9b4c196f692e1f33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:02.941271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097920/manifest.json
observed 2c60b37f3f022aeab2fd5a191dc88091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:02.923583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097920/publication.md
observed 27bb47dedc1f5f7d4d2234a438dbb75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:02.906107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097920/publication.txt
observed 440b473260b05e2ce3ccd689e774401d...
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.