OpenTechnical

OT-2026-000014884

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000014884) never changes.

Identity and time

Publication numberOT-2026-000014884 · never reused
Internal UUID01a0ae6d-d095-7d60-befe-8c1c5e8dc0eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014884
StatusPUBLIC

Content hashes

Canonical text9b211c8f9705e6d06bdb884c78dadaac902ee47b93596e2c84350b0f666d3187
Markdownad88f57c8f4f24a77e61760b466d70cff34416c2623bbf0918cb91661cb087ea
PDF
Publication page02ac8598e92fc4f9db25d9f4f143ed88837844c5b8be8e4da20c18a3483fadc8
Manifest9ba6ef995cdfd7801241927ec1d7eccd22052ae43101cd6ff7c7610ab5121a1c

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
Signature6wJdx1fXnP+1oI0K7FfnxWXxxBwDRaxxvYrQ6YLBfhHeg2xXFr+OoSsRwagOUXTP3fDILu+D9p1i/BBc1QlUAw==
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

2026-09-17T12:06:48.609444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014884
observed 02ac8598e92fc4f9db25d9f4f143ed88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.575045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014884/manifest.json
observed 9ba6ef995cdfd7801241927ec1d7eccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.557986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014884/publication.md
observed ad88f57c8f4f24a77e61760b466d70cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.524216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014884/publication.txt
observed 9b211c8f9705e6d06bdb884c78dadaac...
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.