OpenTechnical

OT-2026-000022741

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000022741) never changes.

Identity and time

Publication numberOT-2026-000022741 · never reused
Internal UUID01a0ae70-46ea-7622-8ecf-659bf0f46de6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022741
StatusPUBLIC

Content hashes

Canonical text1160e9140aa09f210c777d5b886ca1ae2d36b97aca597988e11b98a8484baef4
Markdown4cbc54c8a771bdc2abee4b6b297fa9f524beb12f517c3627bb0433874911f13c
PDF
Publication page74dcc51a9978e3c65c79a3db80bb5323ceec7ecfd6b14a202385c396fee95133
Manifest456508c247b24bae5b78ea2abd6776944b0f381ecce5944422039bb4d3540210

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
SignaturetRwSjO2EecZrls3PLH6E44szGhHOyVzqGO8LKfY6UT7WBScyGCf9XumOzZG0fFA9JKbrjSMOOUlTHna1LSirCQ==
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

2026-09-17T11:52:14.870008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022741
observed 74dcc51a9978e3c65c79a3db80bb5323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.852669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022741/manifest.json
observed 456508c247b24bae5b78ea2abd677694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.832665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022741/publication.md
observed 4cbc54c8a771bdc2abee4b6b297fa9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.814420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022741/publication.txt
observed 1160e9140aa09f210c777d5b886ca1ae...
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.