OpenTechnical

OT-2026-000030399

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000030399) never changes.

Identity and time

Publication numberOT-2026-000030399 · never reused
Internal UUID01a0ae73-e503-7d01-b3d0-9f0068011f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030399
StatusPUBLIC

Content hashes

Canonical textbbc90e332e2a8c9567f2a7797a07135a3c3610b8a6f28adfd226b4f62232c100
Markdown8f433f38880b1dbf2cd83ee9296e457963ea6c91ad8c3322108dddf0c9aa4425
PDF
Publication pagec45820ecfa8c31bf5c73863ef901446446125c78ab748b68a897cd8276776033
Manifeste3dad0e710ae7b400a0a19df50540297540435ff82edc7e26f14cc121fa06b7b

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
SignatureO/teaNybV0ZMVW2L9CehAOIjIg8pe1TpsKngsyESpWIDoAPy+XYS0s1ly0/V4QcB6M2a12cDyocIX6qwVPXlDA==
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

2026-09-17T11:38:07.696374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030399
observed c45820ecfa8c31bf5c73863ef9014464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.677952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030399/manifest.json
observed e3dad0e710ae7b400a0a19df50540297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.661661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030399/publication.md
observed 8f433f38880b1dbf2cd83ee9296e4579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.645372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030399/publication.txt
observed bbc90e332e2a8c9567f2a7797a07135a...
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.