OpenTechnical

OT-2026-000032341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000032341) never changes.

Identity and time

Publication numberOT-2026-000032341 · never reused
Internal UUID01a0ae75-106d-77bd-a46f-20d1a653f055 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032341
StatusPUBLIC

Content hashes

Canonical texta5a6df3d347fc79fdc8c1f36f66381fe71581732029cdd5587e4ff9fd9b2a59c
Markdowna53c6c1ce61bbc36bfcdb07306e7c4ff55257afd8493e35af7e84721a887225d
PDF
Publication pagea53120a0430ca044a865a5592434536d6f3ccc89353ab5f0ebd28faf87afffcb
Manifest6b5586aff29cb713bf29dceda480104d890b26a2f82dfb461c1a8848b2ebee6e

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
SignatureZEpQOjpXIQgIRWwfHpn77G2sF6WELAwhaNcz82uj2NbO5u7zLZAPfaK0noprKUlpSZvNwxWFRKl9pF7ubWRICQ==
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

2026-09-17T11:33:42.686123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032341
observed a53120a0430ca044a865a5592434536d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.668091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032341/manifest.json
observed 6b5586aff29cb713bf29dceda480104d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.649593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032341/publication.md
observed a53c6c1ce61bbc36bfcdb07306e7c4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.628077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032341/publication.txt
observed a5a6df3d347fc79fdc8c1f36f66381fe...
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.