OpenTechnical

OT-2026-000103227

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103227) never changes.

Identity and time

Publication numberOT-2026-000103227 · never reused
Internal UUID01a0aea4-be3f-7bc8-b385-418d59d43410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103227
StatusPUBLIC

Content hashes

Canonical textf40877e110f475c59f778176fd9fc59128c7809820594ed9b4a91d89f737370f
Markdowndcd3e6ba9d81740f6a7312f2f346d7599daf359e9bbdba56442b605c6cbea0cd
PDF
Publication page1c4e61be96c07ca0df422870df563ad69dfaecc2353ecd05840a6792e8babb84
Manifest9ecf3319bf18365a421feef32aed962c5d3c6705c141efea00e69e1bacae479d

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
SignatureVy9B869J13U1PpVB+0mW/OVjtSlmZoXvPt5Jylzmgwd7lSkbjrbPikLPeNiDSJGvtVawrQ4WjPUvyFfxlD9SCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:27.557838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103227
observed 1c4e61be96c07ca0df422870df563ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.538046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103227/manifest.json
observed 9ecf3319bf18365a421feef32aed962c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.520505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103227/publication.md
observed dcd3e6ba9d81740f6a7312f2f346d759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.502660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103227/publication.txt
observed f40877e110f475c59f778176fd9fc591...
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.