OpenTechnical

OT-2026-000067429

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000067429) never changes.

Identity and time

Publication numberOT-2026-000067429 · never reused
Internal UUID01a0ae8f-6bd9-7ca8-b15f-46774031d5eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067429
StatusPUBLIC

Content hashes

Canonical text155b8a5e04f141bbde3ac85e3a1f7b76cbfb6ee8e4fe97f8cc3ef3fa6d2050cc
Markdown135154e8f2e144bdf7af3bc774330f2cd7e4631d3c1191e96ef0acbeb5f7c6b1
PDF
Publication page1587794fbf2e973ef37f57a0fbefe74650907edfabb7f3e4cd58e5c1ae1f51d5
Manifest673d1ba35d56dd8f0c44bf59d6d1acf73afc5928d363d24b3063ab7f1895319b

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
SignatureCKh4q/BXj+ASe3xl7fPuFqWRVeMG/c3ncXeZnL3hx6EH32qZURuN5QthyZTjjbhqxJQfrXSiCbcMz7sYkmHwCg==
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

2026-09-17T10:31:37.751358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067429
observed 1587794fbf2e973ef37f57a0fbefe746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.734766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067429/manifest.json
observed 673d1ba35d56dd8f0c44bf59d6d1acf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.717154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067429/publication.md
observed 135154e8f2e144bdf7af3bc774330f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.699232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067429/publication.txt
observed 155b8a5e04f141bbde3ac85e3a1f7b76...
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.