OpenTechnical

OT-2026-000074357

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074357) never changes.

Identity and time

Publication numberOT-2026-000074357 · never reused
Internal UUID01a0ae93-7179-792e-90e8-e31f0f7f8ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074357
StatusPUBLIC

Content hashes

Canonical text34d2de995bfaf389e19d43946ed48dfcaa8e4aeecd1075cacbb2f24b6bf081c3
Markdown37f9b82866d76c874b35cbe5aa0de6e3360ac8739ea2299c3a62c1fa81651596
PDF
Publication page75e6b090885edb6de3edd26d058521d27ec5c386a71617ef40987afa4d80ec07
Manifest41767ef2fe4f58100086f5785031754e2a710dd1a9514ce86a6ec49506a85e8f

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
SignaturehLXSq2qHxyBDmzwQEXTgMNs5DhQwNGCnyoW49+9mioSafGRV1NcSaTuV0kmZods8bcmY7jBne+5hQtFOe+wXCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:16.936841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074357
observed 75e6b090885edb6de3edd26d058521d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.919629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074357/manifest.json
observed 41767ef2fe4f58100086f5785031754e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.899970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074357/publication.md
observed 37f9b82866d76c874b35cbe5aa0de6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.881473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074357/publication.txt
observed 34d2de995bfaf389e19d43946ed48dfc...
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.