OpenTechnical

OT-2026-000003623

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, three stage ejector

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-2026-000003623) never changes.

Identity and time

Publication numberOT-2026-000003623 · never reused
Internal UUID01a0a90a-907c-7d67-a327-82abaa48ae81 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:16.991475Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003623
StatusPUBLIC

Content hashes

Canonical text8e6abb0acc82e9a7855cd9b2bd35c390d9f5d065c1be53d9b3c56745358a5efd
Markdownef22d09431539c956350a9c859938e393412753c0a6f6ad6908fbf3a3870f2a9
PDF
Publication pageb197b514279f0f322c7183c4426c6c4970288810126dfe8ccb369d293eed5c66
Manifest4f48e0c30ecd8662eb59f2f8513b6f8e7211e9bf69a80cecafef5676976b429e

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
SignaturefJTLDubNgOwarESHr0xGJ0DmZ+Ozi1yL9Bs7GQj4UTbClbw9MlJ6GcYL37OYZOZ2YEcxrfN2AAcBWFAOtE8JDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:30:36.916862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003623
observed b197b514279f0f322c7183c4426c6c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.740074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003623/manifest.json
observed 4f48e0c30ecd8662eb59f2f8513b6f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.725673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003623/publication.md
observed ef22d09431539c956350a9c859938e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.688691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003623/publication.txt
observed 8e6abb0acc82e9a7855cd9b2bd35c390...
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.