OpenTechnical

OT-2026-000062140

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062140) never changes.

Identity and time

Publication numberOT-2026-000062140 · never reused
Internal UUID01a0ae8b-b8b0-7e3b-a089-e7ca914d2290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062140
StatusPUBLIC

Content hashes

Canonical textdc35597642e75abf4146aaa17aaaca40a661a82ba18069480089f05e1299e38a
Markdown61eb9b687710b9bb00a1ec3a2daa3c39f10ff0248cf85a0193c9d68c8cc8460f
PDF
Publication page3229e1821f9128a53ba48c446033406c99c38595e1d2f4c227c8772d4cb0513f
Manifestb7633f7658478e37ef44702d405a4b4d28ee81b7084e441d3976b7feaf3c1632

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
SignaturesrRO2fgXgVJuJK3DJYLQHun0ir19W+C4KmTupcSAfmpPtzpoJeJILLhyryOZnTIluTM+sEAnfvSuZjkt8NXfAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:12.488533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062140
observed 3229e1821f9128a53ba48c446033406c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.471825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062140/manifest.json
observed b7633f7658478e37ef44702d405a4b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.451982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062140/publication.md
observed 61eb9b687710b9bb00a1ec3a2daa3c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.434908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062140/publication.txt
observed dc35597642e75abf4146aaa17aaaca40...
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.