OpenTechnical

OT-2026-000063227

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000063227) never changes.

Identity and time

Publication numberOT-2026-000063227 · never reused
Internal UUID01a0ae8c-94ab-7703-a5c2-1d9134041530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063227
StatusPUBLIC

Content hashes

Canonical text505e39938d200250f60a662f077467000aa53bcef11b26b0e9639a1993f8032a
Markdown6ef88e5f24f8cee92f3d69591aba2f4ff103e82dfd6fc6d457b30ad28433cd96
PDF
Publication page093e8b96f2353523c881dda5c6db736941b95d36f414c92d3a79c15784605688
Manifest17ac2a05ba53e4e0e25cedd15d9d2ee5823ecdcfc7a38610e09a1c7db5713001

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
SignaturegG2GzOvVq8a4ncW6kdTGtmfnq+OhwYXsEabOJQuqXFiQOXTpyyNneuzghwUqifxutcxqeKEUgPg2sJ3TRE2dDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:06.355872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063227
observed 093e8b96f2353523c881dda5c6db7369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.338006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063227/manifest.json
observed 17ac2a05ba53e4e0e25cedd15d9d2ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.317798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063227/publication.md
observed 6ef88e5f24f8cee92f3d69591aba2f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.297816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063227/publication.txt
observed 505e39938d200250f60a662f07746700...
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.