OpenTechnical

OT-2026-000027599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed 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-2026-000027599) never changes.

Identity and time

Publication numberOT-2026-000027599 · never reused
Internal UUID01a0ae72-6999-7198-aef9-7d3dcb908d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027599
StatusPUBLIC

Content hashes

Canonical texte1488fa2f5fe70cc16797f3d2ce66bbac28d5958d9f6c27615b9ea0e473a68f3
Markdownae28f5077cfb49edec15da84fb09be2c92a35b07665591aaee50dea51dd259f9
PDF
Publication pagede786f1330c2e2f4e9cb7432720e0a5c4c7fd4b44bc727f41f5218689a7d3b7c
Manifest0efaf3bd05d23b165f4c5185ef546ea6455b4328ab557092394800b014184417

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
SignatureqSnBBt99pDMVZcf0LDLjO3fh/YDrID+bUjgNcHrUwd27+MNwcKIr0kjtE729KK6P+EO/D/KqXzhJxtrmPko3Dg==
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

2026-09-17T11:43:06.824832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027599
observed de786f1330c2e2f4e9cb7432720e0a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.804456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027599/manifest.json
observed 0efaf3bd05d23b165f4c5185ef546ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.784538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027599/publication.md
observed ae28f5077cfb49edec15da84fb09be2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.764323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027599/publication.txt
observed e1488fa2f5fe70cc16797f3d2ce66bba...
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.