OpenTechnical

OT-2026-000010381

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000010381) never changes.

Identity and time

Publication numberOT-2026-000010381 · never reused
Internal UUID01a0ae6c-0ee6-7140-856d-b75fbad1dfeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010381
StatusPUBLIC

Content hashes

Canonical textf4dc1a778a5d1a5bf4186536ab3dbdb8054a5e0b026eb6f124054e20574b1dd6
Markdownd88002fac12c46fe6b7282b1403fcfea7ca60df5ae63b571ecea89ed0efd4a71
PDF
Publication page1dab34cb95973fd20b51c98e9d46a61710d7f3449e78919b04f0845da8a31f0b
Manifestbccd45c25a2be16fa9dfb976c4d4179c233980208a4f1b396c53e80f2160f421

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
SignatureSR6NHoFqySjFWMrbs6179eqOWR5V/Qqhg3I79/2kdC13q13omi7SSIcJ8rQjqy+zktmABEYxscrXkJGKH95gDQ==
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

2026-09-17T12:14:29.885819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010381
observed 1dab34cb95973fd20b51c98e9d46a617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:29.864678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010381/manifest.json
observed bccd45c25a2be16fa9dfb976c4d4179c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:29.842111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010381/publication.md
observed d88002fac12c46fe6b7282b1403fcfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:29.821533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010381/publication.txt
observed f4dc1a778a5d1a5bf4186536ab3dbdb8...
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.