OpenTechnical

OT-2026-000013967

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000013967) never changes.

Identity and time

Publication numberOT-2026-000013967 · never reused
Internal UUID01a0ae6d-8dea-798e-8076-589bbcc6564f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013967
StatusPUBLIC

Content hashes

Canonical text8f48dd2cf1651913b1adafc46dd56aeae1b18ce6a69f70ac929f0c0573a15cfc
Markdownb782be3239aa2f407d28a85189fc20b480e1ee217e5f5460574537b6b499131b
PDF
Publication page03a828f75558fd2627fdcf36359fcd03edb742a5e1fdb3c425ccf4beebd73d7e
Manifest02127a50317bd5936119c63f277d5f28034e66b9bcf5b73caace668c1d814901

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
SignatureeBzFWAL6Eo1YTvQFChEyDn3t5Vg5LjdN6haz9qrV9dCMjDIXNGiP3UEq5gzY3GsDE9f2oKXBxqX7OB4k0xaNCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:10.544998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013967
observed 03a828f75558fd2627fdcf36359fcd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:10.526215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013967/manifest.json
observed 02127a50317bd5936119c63f277d5f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:10.508094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013967/publication.md
observed b782be3239aa2f407d28a85189fc20b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:10.486623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013967/publication.txt
observed 8f48dd2cf1651913b1adafc46dd56aea...
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.