OpenTechnical

OT-2026-000101980

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000101980) never changes.

Identity and time

Publication numberOT-2026-000101980 · never reused
Internal UUID01a0aea4-50f1-7554-8a87-be33e6a91779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101980
StatusPUBLIC

Content hashes

Canonical textba1c35150e8b57fcc9c17fd1e9e04efef3cf352e83a9f7e2dfc90d3ff1f8eaa3
Markdown2bedd9aa921cfb80f75c4a4adfe348928eddaa16c942de5ebb853c12eb63470a
PDF
Publication page5d8764707f6afc88af5e62dffe39adad05c3032f4ec4debd07ce5d94d20ef34d
Manifestc4f6bb20230623b210d8b740dafa82e4b635874cc5ec19ccb1b6d00304e6ee74

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
SignaturePsqdsQIdiXhuxmiybm3dCWuuSrmchyKjWWHeJ2BExVaYqKJwNoghPTx6ZHxRyDIKBSlRQAUSVIToX5DJmLWHAQ==
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

2026-09-17T09:25:06.181283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101980
observed 5d8764707f6afc88af5e62dffe39adad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.164983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101980/manifest.json
observed c4f6bb20230623b210d8b740dafa82e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.146648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101980/publication.md
observed 2bedd9aa921cfb80f75c4a4adfe34892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.129366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101980/publication.txt
observed ba1c35150e8b57fcc9c17fd1e9e04efe...
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.