OpenTechnical

OT-2026-000061672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000061672) never changes.

Identity and time

Publication numberOT-2026-000061672 · never reused
Internal UUID01a0ae8b-b8aa-7708-ab84-186368ea7ec6 · 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-2026-000061672
StatusPUBLIC

Content hashes

Canonical textc349c424d25687c1b79618c960ef0dfecb307a9b3a945eb09e26c2572ee8a392
Markdownbd50d1f1bb4bb9890f2691a6fe7a1dece127dd0510532b3e5f96fdf0afcc8867
PDF
Publication page051a5c8379a6732bc18a9c698cc9345ef8e5269fa834773b3255ff0a5e216645
Manifest185b4c86d8af28e6a4f1beb2ccd8e94973ea7b615429304cda835738f406b2a6

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
SignatureFRF2ePb2HFRYlKeUMxiiIzGty2temMrYmp25clLasV4+0F+/QxMBuMOeCJp2ahgkOfucN6MHf0sTY9W0Lb2iBw==
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

2026-09-17T10:40:13.475638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061672
observed 051a5c8379a6732bc18a9c698cc9345e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.454983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061672/manifest.json
observed 185b4c86d8af28e6a4f1beb2ccd8e949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.434221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061672/publication.md
observed bd50d1f1bb4bb9890f2691a6fe7a1dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.415121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061672/publication.txt
observed c349c424d25687c1b79618c960ef0dfe...
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.