OpenTechnical

OT-2026-000064375

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000064375) never changes.

Identity and time

Publication numberOT-2026-000064375 · never reused
Internal UUID01a0ae8d-a460-7df7-b34b-e7f1bcb4be87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064375
StatusPUBLIC

Content hashes

Canonical text786dd9c7647b577fbacb3627167cd6346d6968466c2dc3da092a2b837d4d7d62
Markdown9a7fff70c386bad897b0d8d82545b17bf13975f714b1402a953f206094d5aad1
PDF
Publication paged99cac854b2c28b8b46b57444cab278ac7d64274a6de56f5fe8dc1d670a455df
Manifestd7306ccb0408805186e2597914bbb349004a74ac9d0e650c7160ad8783e71ec4

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
SignaturecGvH4Lzr+KSbYOEWJCd0wDNAB9of+OgWy2kMJQerQHkpSPE21rk+xQGuZgwI9p2PW46M/G1rZcdg9RepVNLTBA==
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

2026-09-17T10:36:32.550990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064375
observed d99cac854b2c28b8b46b57444cab278a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.531477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064375/manifest.json
observed d7306ccb0408805186e2597914bbb349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.430061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064375/publication.md
observed 9a7fff70c386bad897b0d8d82545b17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.413098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064375/publication.txt
observed 786dd9c7647b577fbacb3627167cd634...
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.