OpenTechnical

OT-2026-000018481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000018481) never changes.

Identity and time

Publication numberOT-2026-000018481 · never reused
Internal UUID01a0ae6e-b48a-7d14-af35-6963699a2e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018481
StatusPUBLIC

Content hashes

Canonical texte5eb7f6149591a455983f5dbb40f2a58d6eb1119ead186656daec16f8e2c27ce
Markdown68b7646245ec6fd3943ef0248a2462badd84754092ae3d31b105fee78de9c1a6
PDF
Publication pageb78c82fbb88b8a5e6f23d561e7b9ec81f28e5eeb4cd0b397bfeb1bc9d0bbc68f
Manifest5b8ac0f1593e157b19b8e1a3e90431aa9ca8ccb8b10603214e4901e2f11a0c5b

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
Signature/2SHFAwbwccDDpFRoiBZLIb9ubM0W49TVcGwZAHCrONmh3sjJQwL7XToIruaftoyf/wHhexYjRGWn6JiQDaMDA==
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

2026-09-17T12:01:14.983132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018481
observed b78c82fbb88b8a5e6f23d561e7b9ec81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.967267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018481/manifest.json
observed 5b8ac0f1593e157b19b8e1a3e90431aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.949688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018481/publication.md
observed 68b7646245ec6fd3943ef0248a2462ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.933688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018481/publication.txt
observed e5eb7f6149591a455983f5dbb40f2a58...
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.