OpenTechnical

OT-2026-000086134

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000086134) never changes.

Identity and time

Publication numberOT-2026-000086134 · never reused
Internal UUID01a0ae99-e82b-7498-9c57-8f2a0a09941e · 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-2026-000086134
StatusPUBLIC

Content hashes

Canonical text2ba6505aea990b1ba039806cef05ef7d8989ba61a74359eb580e2fd1e6c61d84
Markdownb4889b076f982b6cdd8c53680be24b6450db371749ce0990243d6ddc244ba019
PDF
Publication page3560a40aa20fc3105417621afbb4b235cd8176fa69255d43d8881b9cd77e4f93
Manifest1607430c0c39fce5d6ff6b078d24baf9ea2a11980119e4563262275b51e9b1c7

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
Signaturepqpkna1nnuARriiBPt2NHft49beTNfNBCgrBIQP3ihTRsG4jEVXjcKF8EwqIjfZ2uzFYh/z8P48QeU+1NHUJCg==
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

2026-09-17T09:53:47.872308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086134
observed 3560a40aa20fc3105417621afbb4b235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.854686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086134/manifest.json
observed 1607430c0c39fce5d6ff6b078d24baf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.731966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086134/publication.md
observed b4889b076f982b6cdd8c53680be24b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.712889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086134/publication.txt
observed 2ba6505aea990b1ba039806cef05ef7d...
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.