OpenTechnical

OT-2026-000087648

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087648) never changes.

Identity and time

Publication numberOT-2026-000087648 · never reused
Internal UUID01a0ae9a-cd53-7bd5-a9ae-270e2927f07f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087648
StatusPUBLIC

Content hashes

Canonical text16d8ae7e0ea10079be3bd1b6b1e2eb5d2b7dbf78acd24f0487788245dc7bad23
Markdownb60276c19ca317bb6ddb0f1187801681575a2a25b57650136930aea13708e176
PDF
Publication pagec76a15e49e3d89e982f09bca34c9d8ec3169a91b1fc42dfe3b827389250371ce
Manifest370fc6b92c123c910a986d5c37fcb77769f67499c6a7c9c39bb1b41c85c0f934

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
SignaturezgmjNQUYhsTAJ4/A8Oc9IVI48Qnlj3h4bEIpSwrO+bs3oVZ3yyOsERe+zTKLRKcMWSKO0OsX34hZjRdSOlQuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:05.611351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087648
observed c76a15e49e3d89e982f09bca34c9d8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:05.595790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087648/manifest.json
observed 370fc6b92c123c910a986d5c37fcb777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:05.580097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087648/publication.md
observed b60276c19ca317bb6ddb0f1187801681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:05.562562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087648/publication.txt
observed 16d8ae7e0ea10079be3bd1b6b1e2eb5d...
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.