OpenTechnical

OT-2026-000027189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000027189) never changes.

Identity and time

Publication numberOT-2026-000027189 · never reused
Internal UUID01a0ae72-3454-7700-b83a-27554f106bc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027189
StatusPUBLIC

Content hashes

Canonical texta3132b01a3a1b670c914b55d7b4ab97e63bb64d72844c8a112fcb6f21700afb0
Markdown119f84f4454228faf3d740eb652c42ea6c28f6e88b5e6dbe946d4d038832a641
PDF
Publication page947f56314ca197ad79f096d992f58a999103b9abe3e59969b6fa11b0c44625dd
Manifest86e7cd27185fe10c2d0c5df5dabc3247fbb7fe65102d25357b2cb7c8e0a9476f

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
SignaturetxpHXmfHE4DccJHUNbavlThD87FLyKDsxVxEzAnVpbu+W7X5rzGrC/PhZyD141IamY9CazguI73BYO0eFGleDw==
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

2026-09-17T11:44:04.631184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027189
observed 947f56314ca197ad79f096d992f58a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.613605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027189/manifest.json
observed 86e7cd27185fe10c2d0c5df5dabc3247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.595004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027189/publication.md
observed 119f84f4454228faf3d740eb652c42ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.577360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027189/publication.txt
observed a3132b01a3a1b670c914b55d7b4ab97e...
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.