OpenTechnical

OT-2026-000025211

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000025211) never changes.

Identity and time

Publication numberOT-2026-000025211 · never reused
Internal UUID01a0ae71-5fa6-71b5-9e0e-027cec38263d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025211
StatusPUBLIC

Content hashes

Canonical text0a15740727ab6a74ac89b43c87bb7e33f0580e0efa81b5e78efdee1334172493
Markdownf08fac15b3579a048ba53045f331751e95067ab5177beaa8711def41c27b3694
PDF
Publication page24be8f1010308f5eae953e82bb932f503ef39ec3fcfe4eec80bff9b90e0ce242
Manifest9627d1af916c8c358f3c553823969c64900b161b1cde4c0b14b87e6f36e4eea5

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
SignatureIfYZxeUXnhLFKpbJNKQE5zChu/lHav5/3gM2h2CZmy8PrbbdkEv++tAS2SIsQKK5KIjIBDUPOCzsV5UaPVtZAA==
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

2026-09-17T11:47:12.460074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025211
observed 24be8f1010308f5eae953e82bb932f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.442159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025211/manifest.json
observed 9627d1af916c8c358f3c553823969c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.424419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025211/publication.md
observed f08fac15b3579a048ba53045f331751e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.402940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025211/publication.txt
observed 0a15740727ab6a74ac89b43c87bb7e33...
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.