OpenTechnical

OT-2026-000066215

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000066215) never changes.

Identity and time

Publication numberOT-2026-000066215 · never reused
Internal UUID01a0ae8e-8dc3-756f-b024-dc6f2d7c69dd · 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-2026-000066215
StatusPUBLIC

Content hashes

Canonical text62b5d58e20bcd41e6e382d36d9dacfab7b847dd04c37d4a41077065911d08fa8
Markdown0a9978ccf15a21d68d53b38b7ac87d5c95687f90dda65d9133ba3803a3d3b05a
PDF
Publication pagecde11f8187952d3eedebae46f1dc6402d276656e3bdea44b5ef811b9ea592758
Manifest65fff5a350c9faa8c595548e9c2837876bf17938840d5fdd5e8a64b401857fce

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
SignatureZtv96oZqRYK2hPVzvGXRA3hpsOTLvqqLqXoXfL6KeOWP26c2Mx6Y+RzGT8wAqJrD0tZ41865L7irFSS8l05MAA==
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

2026-09-17T10:33:22.577227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066215
observed cde11f8187952d3eedebae46f1dc6402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.556326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066215/manifest.json
observed 65fff5a350c9faa8c595548e9c283787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.537976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066215/publication.md
observed 0a9978ccf15a21d68d53b38b7ac87d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.520746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066215/publication.txt
observed 62b5d58e20bcd41e6e382d36d9dacfab...
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.