OpenTechnical

OT-2026-000003658

Publication integrity record

Bellows cup vacuum gripper, two zone face, two stage ejector, pressure verified

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-2026-000003658) never changes.

Identity and time

Publication numberOT-2026-000003658 · never reused
Internal UUID01a0a90a-a9b7-7dd7-a50d-4ddc07a36406 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:23.449459Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003658
StatusPUBLIC

Content hashes

Canonical text84ad6249d5a27eeb20795e1dd71a5d02fa083f8d38981f3929cdc99dcfa23443
Markdownf8fc20d98dbec5d216d4c621b07706c502c3271273818b67da87988525286576
PDF
Publication page4f47146fdd1c6b02feba49af6da20ded5e3915b0cecf90743a055a41942cc1c5
Manifest354363ae3c62cfb5d19b761de7676a39c25548eeda56dbd20d3a82a78db7e535

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
SignaturefWGvr+A0zHZKVaJXO5Mv91jPjDPM3gD+sGVvQ9iduQ6Dw2tqCk62QfGAdlMGfJQvtVPsTonERfRUCc5TsmbRBw==
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

2026-09-16T08:20:36.719181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003658
observed 4f47146fdd1c6b02feba49af6da20ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.704892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003658/manifest.json
observed 354363ae3c62cfb5d19b761de7676a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.690491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003658/publication.md
observed f8fc20d98dbec5d216d4c621b07706c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.674511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003658/publication.txt
observed 84ad6249d5a27eeb20795e1dd71a5d02...
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.