OpenTechnical

OT-2026-000007741

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000007741) never changes.

Identity and time

Publication numberOT-2026-000007741 · never reused
Internal UUID01a0ae62-843f-7bbd-9a40-9680551b1d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007741
StatusPUBLIC

Content hashes

Canonical text6f7739a898f07ae4397b161f1e8c40716cc192ee662f78e0f895abd164f72bf3
Markdownb7398157f92d2ba35584fb0d94ffd7867271f59f60b8aedf7105212da9354895
PDF
Publication page9a0ed238a51e87cc1deef14e9fcece409ca92e3ada791f7d6c6a125633654bb8
Manifesta4b84bf1bdeeee9ffa712729cc59bb7625102d32c910a715b8773345247858f2

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
SignatureIGJD+wOoR3moPT3NS86qG7e6q64Y3aRYjtFzYkHHKvBqD+BnL5s4Ee7UWLNs2500ZJANYlRXLXHWchDKRshQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.057914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007741
observed 9a0ed238a51e87cc1deef14e9fcece40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.040372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007741/manifest.json
observed a4b84bf1bdeeee9ffa712729cc59bb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.021823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007741/publication.md
observed b7398157f92d2ba35584fb0d94ffd786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.005807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007741/publication.txt
observed 6f7739a898f07ae4397b161f1e8c4071...
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.