OpenTechnical

OT-2026-000052350

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000052350) never changes.

Identity and time

Publication numberOT-2026-000052350 · never reused
Internal UUID01a0ae83-e792-7b1e-b095-fb2a0c25f7f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052350
StatusPUBLIC

Content hashes

Canonical text3003c09855ab6c2d8149111cbeb92ea55a2c970965ca5e466ccca9bf88caea2b
Markdown76d27eaa9dbcc4f7af966fec79c2384b52fd839699d0b772dabbcbf72c453171
PDF
Publication paged0b7a66ae1d75566ac0ee22711ad9ff52baaeb1875b235f6b454f1741b33496e
Manifest62788b903352894b00361b97bdcf018ce4817cd94c768c34c38a27a7b83473ca

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
Signaturei2evHtDrUD/bhWeHfZ2SDyXfOwDwmwg/geUn6GvuJhKFYtTlXsrmDc+aswz8o7CnY1MDT5jKK0euv5hjG8h1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:02.726563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052350
observed d0b7a66ae1d75566ac0ee22711ad9ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.706393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052350/manifest.json
observed 62788b903352894b00361b97bdcf018c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.687385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052350/publication.md
observed 76d27eaa9dbcc4f7af966fec79c2384b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.668842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052350/publication.txt
observed 3003c09855ab6c2d8149111cbeb92ea5...
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.