OpenTechnical

OT-2026-000096072

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000096072) never changes.

Identity and time

Publication numberOT-2026-000096072 · never reused
Internal UUID01a0ae9f-fac9-729a-99fd-7c06dda6c4ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096072
StatusPUBLIC

Content hashes

Canonical text8473d06331ee18e857f1a81fa6c3ede41f55d06bd40c690832be30e5510f9a1b
Markdown93b96274685ac6cf92842f7d3944fd9e9d29e86f84fd20f8c144f288ff2989c3
PDF
Publication page6f496b8df0a0f43f5432c420c9f540ab8ee8ab8c15808f298c25e83dbf562e17
Manifest25b28f4c4def4bcda61a577e8dbf96d9f854fde42aabc113afb9bc2e59a3b7da

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
Signature9eFk5eI5zJ02z01wqjJ9LZX9xzjl6jJLPGCPpoW0hgazGm45n/RY2XfyM1+CS0hgN8pDBcPL8IiJpLeTrH/dCw==
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

2026-09-17T09:36:13.360980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096072
observed 6f496b8df0a0f43f5432c420c9f540ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:13.342556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096072/manifest.json
observed 25b28f4c4def4bcda61a577e8dbf96d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:13.324145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096072/publication.md
observed 93b96274685ac6cf92842f7d3944fd9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:13.305509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096072/publication.txt
observed 8473d06331ee18e857f1a81fa6c3ede4...
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.