OpenTechnical

OT-2026-000007571

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000007571) never changes.

Identity and time

Publication numberOT-2026-000007571 · never reused
Internal UUID01a0ae62-4df7-7748-b1a8-f49ee6fb97fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007571
StatusPUBLIC

Content hashes

Canonical text0f9cff6fcb8c00ffdab3ff53a61dd16e5e76de7c204460e446f51881fdeb9e2b
Markdowna3f849480f5bd2b8d01e20609fe85bf23b38b3b2056a3ddf6b4763801dacd795
PDF
Publication pageeb9542f041b58481e4c081a400a8b4a9d6ba441d2f5f5212d9f9364eb6fb6434
Manifest5b580ddb453daa5a00483f05304eaae1f6dcf63bf4f1775bd67637107421a9c6

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
SignatureHhIROZ58frZoBwlX3srb33ALdUnj19BcM1Oe6wGDc6GxgMjo/meJcqR/Lz2n6JqT0GkBuMz50TRpXzISPgVfCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:25.145846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007571
observed eb9542f041b58481e4c081a400a8b4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.128808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007571/manifest.json
observed 5b580ddb453daa5a00483f05304eaae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.112065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007571/publication.md
observed a3f849480f5bd2b8d01e20609fe85bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.095323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007571/publication.txt
observed 0f9cff6fcb8c00ffdab3ff53a61dd16e...
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.