OpenTechnical

OT-2026-000043111

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000043111) never changes.

Identity and time

Publication numberOT-2026-000043111 · never reused
Internal UUID01a0ae7b-327a-77db-b755-5a07f68817e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043111
StatusPUBLIC

Content hashes

Canonical textf161f52e2f7ab89599170e865267e2ea39fca8da59bdacb2116bfae15f879111
Markdownd56ac208fc8e718dfbf04b8ae0cad804a90452b3fc26c7c0dcbbcc28f06eca2b
PDF
Publication page1df8a7e3fb9b8e5ef620f232b035408b6119500c7b93c4279ba36a0636598531
Manifest537a1588919e1a7fc71c00219368503ce4907bfc4437587cda1a92863e7369f6

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
SignatureVLbqDYO+jbxSX79XP4aVseX8+Up541FSHk+HHT5GMdRN4Z+3OVSaVqqVb20ryV0mlm2P+iKAQKfSPmbYeexNCg==
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

2026-09-17T11:13:32.240997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043111
observed 1df8a7e3fb9b8e5ef620f232b035408b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.223342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043111/manifest.json
observed 537a1588919e1a7fc71c00219368503c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.202211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043111/publication.md
observed d56ac208fc8e718dfbf04b8ae0cad804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.181842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043111/publication.txt
observed f161f52e2f7ab89599170e865267e2ea...
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.