OpenTechnical

OT-2026-000012860

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000012860) never changes.

Identity and time

Publication numberOT-2026-000012860 · never reused
Internal UUID01a0ae6d-5563-7922-802c-c245968aff0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012860
StatusPUBLIC

Content hashes

Canonical textfbc3b6a5212392c7e112757bd0b1abe397ac02151994c4886b6201994da9e146
Markdownc3fc683e2f4c20700b58c57a051791b9f3a03c5bc3561ca36762242dc6fac83e
PDF
Publication page14737d281b8c38255c2d28813f456b10b4dd66320612a027e1f228d9f85154c4
Manifeste8fb883f29a0bbdfeb184e523ef864cabfec05b6e555cf24a92f2827f201ab99

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
Signaturelr62bwqMXdCL2rOVHla8RJkOo3QQYKFUi2rp4MTqVpf3dIJLX4vcKgtaDMyRhixJd3GpZxVpay+8/6dshIqDCw==
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

2026-09-17T12:10:38.455243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012860
observed 14737d281b8c38255c2d28813f456b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.432408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012860/manifest.json
observed e8fb883f29a0bbdfeb184e523ef864ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.413676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012860/publication.md
observed c3fc683e2f4c20700b58c57a051791b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.394566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012860/publication.txt
observed fbc3b6a5212392c7e112757bd0b1abe3...
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.