OpenTechnical

OT-2026-000064604

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064604) never changes.

Identity and time

Publication numberOT-2026-000064604 · never reused
Internal UUID01a0ae8d-deb8-79e6-95df-3be69cce4a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064604
StatusPUBLIC

Content hashes

Canonical texte50f6c48128ace991854c98337fde58bc4ac0de7705dd428bc071d8033eeaf16
Markdowne4867c205c2f6f31417b391f44d12e967deea23461291016c7d321ea577b0604
PDF
Publication page9cec35b35f2b4412d685656189cb67f2851ea476c30f66034c5993d8237286db
Manifestebde59f506d02442b2ec98c635e63e86e0ca97bb77d273e13910b9988a430b9b

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
SignatureCrxoBBezl4Egu4qxMPMKc9xWVDj95WwD+5j2avzhoxY2kKFOk1RL8NjgQV8s184QrQTwaaccr8dq9WeFW4B+Dw==
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

2026-09-17T10:35:22.730744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064604
observed 9cec35b35f2b4412d685656189cb67f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.715053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064604/manifest.json
observed ebde59f506d02442b2ec98c635e63e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.697178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064604/publication.md
observed e4867c205c2f6f31417b391f44d12e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.680706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064604/publication.txt
observed e50f6c48128ace991854c98337fde58b...
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.