OpenTechnical

OT-2026-000029965

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000029965) never changes.

Identity and time

Publication numberOT-2026-000029965 · never reused
Internal UUID01a0ae73-ac48-76ff-82b8-28a4ea2581ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029965
StatusPUBLIC

Content hashes

Canonical text8890e0634e96902996c182ec3a7f09bab5c721db12f55198df98886bd68985fc
Markdown6e41b3c0c95dc8ea1503b33df6cacb7284b2a190745ab4b862fecfd8e4e4bc18
PDF
Publication page282a8ba9840989bb516e52f3c17ba0f90d28521e5b53dc97bb94de0c76acb5bc
Manifestd152deaf592f9d280ac132bc937e637affc9bcba4526dbd92435ecc2283aad73

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
SignatureYzZMnyxYmmjIfGs/2FIEClv0edUH35oS8qeOS3yG9LhdPgq6/kNWwduxuu03Tx6w8/ADNDUrZXSnCAcMJQRBAg==
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

2026-09-17T11:38:40.990199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029965
observed 282a8ba9840989bb516e52f3c17ba0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.973006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029965/manifest.json
observed d152deaf592f9d280ac132bc937e637a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.955291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029965/publication.md
observed 6e41b3c0c95dc8ea1503b33df6cacb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.938194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029965/publication.txt
observed 8890e0634e96902996c182ec3a7f09ba...
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.