OpenTechnical

OT-2026-000066199

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000066199) never changes.

Identity and time

Publication numberOT-2026-000066199 · never reused
Internal UUID01a0ae8e-8dc3-7dfe-ba20-522691be3023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066199
StatusPUBLIC

Content hashes

Canonical textde76e7f734185c12767d893b26ebfa4d459c1b769fc2227ad6be880099b29f13
Markdown16f7de39acade8b624e8597782072d0c80f86b5502a28fdcb90c54e952820c9b
PDF
Publication page79b32756f7ae4e3d835015ecb41e8243986ffc58554808699c1700447dae9dab
Manifestdac6e36820aa6408ccda7fc1858d83dd406464baae4048a40c64f9f67f6f69ca

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
Signature4QFD3FOnLObFVFOAXZjybB5ranq4nEmqAOjLeiA+89mIU6gkTvDsh9gKSE/trfBuhX6N8gcNIaPfVVrHvbXeDQ==
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

2026-09-17T10:33:21.379214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066199
observed 79b32756f7ae4e3d835015ecb41e8243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.362138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066199/manifest.json
observed dac6e36820aa6408ccda7fc1858d83dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.343658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066199/publication.md
observed 16f7de39acade8b624e8597782072d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.323730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066199/publication.txt
observed de76e7f734185c12767d893b26ebfa4d...
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.