OpenTechnical

OT-2026-000006131

Publication integrity record

Porous face vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000006131) never changes.

Identity and time

Publication numberOT-2026-000006131 · never reused
Internal UUID01a0a950-6331-7c63-8bfd-a199a731f8b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:32.915963Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006131
StatusPUBLIC

Content hashes

Canonical text961aaecfcccb58f368aed7a9d8662cec958c51d9dc8494e83bbac9d3a0dbb3a2
Markdownc96dc3ef125091762d7dd6b0a5f485f22dfb8b2143f7f591718bb2bda2142cee
PDF
Publication page3127a399db1a4b520fb1453005266026263ed896d1e93e30714dd363230bdc07
Manifestd6528c52d9b967344557ad00ad4eb115adcf792776b15c381e61098eb918619d

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
Signature6QBjKyNMLb1ZL83SUfe/jSbneNLwL24+rqrTwbN8lyt53AfNn7njKEzkygfmQExP145O0LM4+/Q6aRAR9QewAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:23.964830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006131
observed 3127a399db1a4b520fb1453005266026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.952156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006131/manifest.json
observed d6528c52d9b967344557ad00ad4eb115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.938228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006131/publication.md
observed c96dc3ef125091762d7dd6b0a5f485f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.923588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006131/publication.txt
observed 961aaecfcccb58f368aed7a9d8662cec...
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.