OpenTechnical

OT-2026-000101577

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101577) never changes.

Identity and time

Publication numberOT-2026-000101577 · never reused
Internal UUID01a0aea4-0e15-7f46-bc93-2991b4f9017b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101577
StatusPUBLIC

Content hashes

Canonical text2b54602a3633aa82ce6a9c28b712c7796146832b5400e32994585ad628dc23eb
Markdown1e9f652f667a7aa2f7c18532b360f6e674cd3c40e30f48be9f5514db664ef5fc
PDF
Publication paged28c25238c621d0610a7ac6a6d8e0f82d6dd31fd47412b0b0428dbbcb3f50ea5
Manifest2c61b092c68b685548a9a77768e6f9c5f4b95ee1ad8099ba300b633b144ecf10

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
SignaturexzGJs7SPsSNHZAsJ1VzWDjKIZThbPy5klS+PvLMqXs/QBpBCL49UPi/Mk8layHyYJqhmyG4J1EL7G0at1NVfCw==
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

2026-09-17T09:25:39.978895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101577
observed d28c25238c621d0610a7ac6a6d8e0f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.955187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101577/manifest.json
observed 2c61b092c68b685548a9a77768e6f9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.929617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101577/publication.md
observed 1e9f652f667a7aa2f7c18532b360f6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.907141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101577/publication.txt
observed 2b54602a3633aa82ce6a9c28b712c779...
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.