OpenTechnical

OT-2026-000008646

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, vented 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-2026-000008646) never changes.

Identity and time

Publication numberOT-2026-000008646 · never reused
Internal UUID01a0ae6a-e46b-7b5f-8707-a6b02232ea5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008646
StatusPUBLIC

Content hashes

Canonical textd0a1cc103443df4e2f88760ed34f4fe41efded3d8034c8925d364d2380e420c8
Markdown877ef67cdb17d84a2af8fe3f7b38a0e2856369ae464df5fce67ecc8c57635f8a
PDF
Publication page01759e7498bec29031d2100dd3937d3a3f6707d35f5b71107379fc8b7dc0465a
Manifest628efcc9c411fbfa5faf7f988513d1b47400b8ded411db6dc90521424b9786d8

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
SignatureWRTkCBYW+pFI6VY43+G+6kXZwga1DFJu8kYwmON9+nos+Ej33s/wwrckTnpEU31E8ahSbTT7wCJzJ0kv3h22AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:37.115179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008646
observed 01759e7498bec29031d2100dd3937d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:37.093984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008646/manifest.json
observed 628efcc9c411fbfa5faf7f988513d1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:37.074867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008646/publication.md
observed 877ef67cdb17d84a2af8fe3f7b38a0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:37.055828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008646/publication.txt
observed d0a1cc103443df4e2f88760ed34f4fe4...
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.