OpenTechnical

OT-2026-000022066

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained blow-off before 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-2026-000022066) never changes.

Identity and time

Publication numberOT-2026-000022066 · never reused
Internal UUID01a0ae6f-bb5c-7fb4-8782-317bdf5b2e00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022066
StatusPUBLIC

Content hashes

Canonical textb5721ade947c55778c6182adcae9d3199a29d0ce8a9a4da138bf03d2cc51dbdb
Markdownbc5bedc4fc523bf62c45fc74a101337cdc759c07680556dc1f20165242c61e3c
PDF
Publication page3d0153865fef67da4a5f6db95c301dd252a313aad5ef65cd87b7cd8c5e9d655b
Manifest1b82ac5e6e722ed9a16c8b086f8010a2db698b402d8ac653fa16323ff584cc01

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
SignaturefeN/Cxpfk0E23IkXMcz0MCdK1WvgJW9wk2C1A1bULa6Qg+3JEc3kHckTad+6lfoqOAsbFrv+J7a3XdyxOPtzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:45.749804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022066
observed 3d0153865fef67da4a5f6db95c301dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.729461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022066/manifest.json
observed 1b82ac5e6e722ed9a16c8b086f8010a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.704188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022066/publication.md
observed bc5bedc4fc523bf62c45fc74a101337c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.683730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022066/publication.txt
observed b5721ade947c55778c6182adcae9d319...
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.