OpenTechnical

OT-2026-000067420

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000067420) never changes.

Identity and time

Publication numberOT-2026-000067420 · never reused
Internal UUID01a0ae8f-6bd9-72a2-b786-23348ae0a53b · 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-2026-000067420
StatusPUBLIC

Content hashes

Canonical textb34047252fd23aa132a2e6f3bdd62586820ba117863b545aaebd787d6b9970c5
Markdownc7c10522c719eac01d127e09e4729f7d5d30db7feb04fbb792600ec00aff56ea
PDF
Publication pagee82e1436c72feffc4e8a956925595c2f9c3bc735a226a3fdb6d1f88118d0cffb
Manifestdb2c9ba342116faaec34fb55194b7936374e066e2e05603216e3522933723368

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
SignatureFkIxkf5tQcW/EbDhYsfT368ODv+tQHtFDm2Ce7DAtsK77n+RlRXyX5PW27/rLcm6qVj1D6x3rMFpPdhs1l8GAA==
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

2026-09-17T10:31:37.108082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067420
observed e82e1436c72feffc4e8a956925595c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.089286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067420/manifest.json
observed db2c9ba342116faaec34fb55194b7936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.071069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067420/publication.md
observed c7c10522c719eac01d127e09e4729f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.054135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067420/publication.txt
observed b34047252fd23aa132a2e6f3bdd62586...
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.