OpenTechnical

OT-2026-000049425

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049425) never changes.

Identity and time

Publication numberOT-2026-000049425 · never reused
Internal UUID01a0ae81-8f7b-74f9-a171-ce1da7478f71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049425
StatusPUBLIC

Content hashes

Canonical texte6aaa53cb0855d27ee0ba5d4a8ce86ca81b613f5bd7832833a5e4ee2803617a9
Markdownd3bb2ad638f3a579f67011fd0430e90c7ce205704d1a4e3ef535db294ea3e820
PDF
Publication pageb436ec96c04148151323a6f42846dfa4cd5579288c2d3258824da846b0ce0135
Manifestd03c1b2981f6e3c8409c949423c0a3d618606c0048f47bc6df61907c72c93737

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
SignatureKvo3sSChqE62AHgNiVDQ+nZBDoLK6Q/qQohG4Tk/NNQxbjCjtELLRsXi4LT0whsR8iFtR8Rxudg0ot6O7e3zBw==
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

2026-09-17T11:02:15.079812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049425
observed b436ec96c04148151323a6f42846dfa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.060956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049425/manifest.json
observed d03c1b2981f6e3c8409c949423c0a3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.041226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049425/publication.md
observed d3bb2ad638f3a579f67011fd0430e90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.021284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049425/publication.txt
observed e6aaa53cb0855d27ee0ba5d4a8ce86ca...
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.