OpenTechnical

OT-2026-000034083

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000034083) never changes.

Identity and time

Publication numberOT-2026-000034083 · never reused
Internal UUID01a0ae75-df0c-725d-9330-2a55c8bdf224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034083
StatusPUBLIC

Content hashes

Canonical textead9b3125b85531d446f86f969e1e0cd11c6fb62783ebe909e888f931ee75de3
Markdown0e180cd8199e87daec6b14e4ad8a8250fac15766b3e969828d2d14ba6b28c4fe
PDF
Publication page13ba0c21987a56e041e0c1fba1ac18556e2d7b229656c4deec0d92b8fcb9dce1
Manifest93cb48a20145333b72e76188daf1f47a3d49414da6754e3bd4ca5211590972fe

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
Signaturednzv2By2JT5XSSBGfGVv7cSuwKT4apoOP64TxskAN9QL+8KpFuy1E14Vs7/y6YCXOeIC5uS0hG2COdqLbBdiCg==
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

2026-09-17T11:30:27.056003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034083
observed 13ba0c21987a56e041e0c1fba1ac1855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.025044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034083/manifest.json
observed 93cb48a20145333b72e76188daf1f47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.004319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034083/publication.md
observed 0e180cd8199e87daec6b14e4ad8a8250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:26.975417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034083/publication.txt
observed ead9b3125b85531d446f86f969e1e0cd...
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.