OpenTechnical

OT-2026-000100138

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100138) never changes.

Identity and time

Publication numberOT-2026-000100138 · never reused
Internal UUID01a0aea3-3052-7be1-8be3-d98baa10f141 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100138
StatusPUBLIC

Content hashes

Canonical textd135cbc9f4da0d1481428a37974508baea40b5667d3592b11754cda41f059152
Markdowne45342ff0f9615ca6bf4bedc3dae0418f3198c45ee0b07d15629b649b70e0512
PDF
Publication page9ce3a4b5dc9865fc5886a6ef5e89cbddfbfb7e6b5ac88b1d0ec87d8625937060
Manifest62e8e27aaae1dc67b8ab610a28739cd54acd3102941c256815e6bcc93829c88c

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
SignatureYz31ueFayRUSbW0EHVGJh/J0+6LJf7rOVR8BR++YBSzRb6FB6kW0vtgYaCIOnGsyB58qyT7FDwVxbQZVX8WKAw==
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

2026-09-17T09:27:50.416153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100138
observed 9ce3a4b5dc9865fc5886a6ef5e89cbdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.397274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100138/manifest.json
observed 62e8e27aaae1dc67b8ab610a28739cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.376370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100138/publication.md
observed e45342ff0f9615ca6bf4bedc3dae0418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.356590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100138/publication.txt
observed d135cbc9f4da0d1481428a37974508ba...
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.