OpenTechnical

OT-2026-000101769

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000101769) never changes.

Identity and time

Publication numberOT-2026-000101769 · never reused
Internal UUID01a0aea4-0e17-752b-95f0-f2a855ba84e8 · 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-2026-000101769
StatusPUBLIC

Content hashes

Canonical text6225012947bb3793af6a129e6a8b44de830e082b34a6ad821c3677acef8efd7b
Markdownfaa3eb3b37e4b069ddec8397b5fe84605287ed60c9c5aeb247cbd6af78bab5b8
PDF
Publication page64069bfbc15442877148fa30e9438314f31efbd727d14bc873f437d9d12d1409
Manifestb7aa282378366d91cf30a927d853f19b409fc0ca97076784c8f17c0cc3090f72

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
SignatureBluAmcvxICPPF3xEkBqOyLGZ9uv115wLmPFZARVXVeI+s+y0attTKpY1lqMusS+Ejiq4mRBG03+84VNZgb0fBA==
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

2026-09-17T09:26:15.683662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101769
observed 64069bfbc15442877148fa30e9438314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.666453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101769/manifest.json
observed b7aa282378366d91cf30a927d853f19b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.647199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101769/publication.md
observed faa3eb3b37e4b069ddec8397b5fe8460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.630738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101769/publication.txt
observed 6225012947bb3793af6a129e6a8b44de...
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.