OpenTechnical

OT-2026-000064455

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064455) never changes.

Identity and time

Publication numberOT-2026-000064455 · never reused
Internal UUID01a0ae8d-a461-769d-b0f8-139a2a9cb17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064455
StatusPUBLIC

Content hashes

Canonical text5bfedb0d3906ff2ae3ca814bafa2a1d3dd6f66ac4ccb28d1aec59e82b8367591
Markdown8f7a75ce89fee1dd312fbca59949556d9ff272b013a4627df5e0a1218d65985c
PDF
Publication page91c233a2a738bb811d6685df4955074e13fa6f3a9b6ec40f88d53d2db05f9116
Manifest01ff9d24357061806af7e10140b59ed9727f68a0ba47658738d05469e3a8a696

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
SignaturePF9dDe9f1H8DExIRXSuSdu1kGISbe0yPqvJh4OSa0Slo0K7kSoLf5UQGf+oY67htQDWfoWRUW55g/NCmNHuwAQ==
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

2026-09-17T10:36:38.629156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064455
observed 91c233a2a738bb811d6685df4955074e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.613026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064455/manifest.json
observed 01ff9d24357061806af7e10140b59ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.595299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064455/publication.md
observed 8f7a75ce89fee1dd312fbca59949556d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.579615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064455/publication.txt
observed 5bfedb0d3906ff2ae3ca814bafa2a1d3...
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.