OpenTechnical

OT-2026-000032230

Publication integrity record

Foam pad vacuum gripper, 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-2026-000032230) never changes.

Identity and time

Publication numberOT-2026-000032230 · never reused
Internal UUID01a0ae74-f7a7-7882-8ff9-61dfe7de61ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032230
StatusPUBLIC

Content hashes

Canonical text0a506d795b7fe1eeae64eec56c4c367c654469d8923d3f9e2069a74158a2406e
Markdown21bec5307d6a9d4fa7fcc37197dfa340c35549b43ae48ca452359522b706b310
PDF
Publication paged2b218a226e4d2460f21bb9660ac9229226b57c0d4beb643a2ecfa88ca2d4e5f
Manifeste90593b08564ca453d94d3d4389afe6e51b79d8e42c5cd21a58aa6cdad990020

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
Signature/pDifXPfqV99IIbM6MkOGgc0OK2W2xmoTb/7AfAakxVA4WcXcOv68qoSoFngz+NKFzfIZbSGMg26arjd1VXRDw==
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

2026-09-17T11:34:34.954783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032230
observed d2b218a226e4d2460f21bb9660ac9229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.937804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032230/manifest.json
observed e90593b08564ca453d94d3d4389afe6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.919717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032230/publication.md
observed 21bec5307d6a9d4fa7fcc37197dfa340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.900757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032230/publication.txt
observed 0a506d795b7fe1eeae64eec56c4c367c...
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.