OpenTechnical

OT-2026-000075533

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075533) never changes.

Identity and time

Publication numberOT-2026-000075533 · never reused
Internal UUID01a0ae93-f202-706d-89e6-5b5533717617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075533
StatusPUBLIC

Content hashes

Canonical text82f115f4d1afb3b8d3709cd243626ce6fb3cbafecaecd92959a976b1d353f94b
Markdown66fa3ab49b72153965b4418c1ed24de97931b83803bad676cafbc910af802649
PDF
Publication page6206701f3b70ade7cc92b98c1ec3023e4a3cd2c9a34ed606b168738410ca6f69
Manifest99c8f19ecdc8ba8d1f8cffa7917120f2db9d1fb1f4150180448c49757f4c0295

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
Signature2DoOMexhlSXI4cG5ypkvj3swvucw/tvwzVpFcAfQmEmJZTfTx2RkHhqIn0kSZIEMF1bYOpVBUme8rE+OfyNoAg==
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

2026-09-17T10:18:01.254353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075533
observed 6206701f3b70ade7cc92b98c1ec3023e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:01.236561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075533/manifest.json
observed 99c8f19ecdc8ba8d1f8cffa7917120f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:01.218312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075533/publication.md
observed 66fa3ab49b72153965b4418c1ed24de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:01.200020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075533/publication.txt
observed 82f115f4d1afb3b8d3709cd243626ce6...
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.