OpenTechnical

OT-2026-000026079

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000026079) never changes.

Identity and time

Publication numberOT-2026-000026079 · never reused
Internal UUID01a0ae71-a840-759e-81f7-0e9a73b9e098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026079
StatusPUBLIC

Content hashes

Canonical textee4dc74cd0128dc709b203f158b06920e57e31cf17c62aa5dc03279c906a17b7
Markdownbee6c21f759f35e41a96631e299a760283ce34580b38f96f95e6bfd6304d6061
PDF
Publication page93a8d6aff59981048dd8fbe8347bee48a51f15096a0faf6748a47439fdd5ed9d
Manifestfd8298d7bbc3be06dc7e08a319811a6678c7418de238177a56c6a7f8a6103c10

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
SignaturetYv6JgBvxGho6lDKkVkQJeL/ABbLLOKPjkbJ+bvxuaPnLeIDPo1qcpjDNb3YH8I0zxT47c1qgk8Uh6tOiY4PBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:46:34.666523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026079
observed 93a8d6aff59981048dd8fbe8347bee48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.650135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026079/manifest.json
observed fd8298d7bbc3be06dc7e08a319811a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.631331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026079/publication.md
observed bee6c21f759f35e41a96631e299a7602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.613423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026079/publication.txt
observed ee4dc74cd0128dc709b203f158b06920...
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.