OpenTechnical

OT-2026-000086109

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained 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-2026-000086109) never changes.

Identity and time

Publication numberOT-2026-000086109 · never reused
Internal UUID01a0ae99-e82b-76d4-aa7f-768b2421c910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086109
StatusPUBLIC

Content hashes

Canonical textacb6238da034a1757664c67e1dc8082d39cb27cbc9de9e08b931d464bcc77190
Markdowna2ed5a965641019b957d7f3c03601d7511afcb76aad905aa1f7b91b7d37441d7
PDF
Publication page04ed5d519e4f9ffd0da5337c076d7b7452835ec4fbbb03082fb1b32a10010ab8
Manifest534028c012ae30d3913086dbd439cad51bdd9bdb43b9f4a6ce95d5eaa9eef565

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
SignatureUsZizoG1mjo/lxQ+P24ODtrIdool4gw5cNcTcwB7dwZuavMlI8i1RZSnmK6K0q6xsX3gtcFJvT9w7dlW6uHyCA==
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

2026-09-17T09:53:45.815770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086109
observed 04ed5d519e4f9ffd0da5337c076d7b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.797452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086109/manifest.json
observed 534028c012ae30d3913086dbd439cad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.779982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086109/publication.md
observed a2ed5a965641019b957d7f3c03601d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.762257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086109/publication.txt
observed acb6238da034a1757664c67e1dc8082d...
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.