OpenTechnical

OT-2026-000062244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062244) never changes.

Identity and time

Publication numberOT-2026-000062244 · never reused
Internal UUID01a0ae8c-0abd-7fb2-8461-7262132053be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062244
StatusPUBLIC

Content hashes

Canonical textbca2cfa95ef5f94c4879fda6884014f108882074b76bedd904d175a6639d7a46
Markdown8cd181476827c5f3c05cb15e0a5af55403dc5b032b89ca8d029b62ed89fc6a19
PDF
Publication page1dce4dafc72bc85cf2ff435f6cb77ddfe5ca7ec78dcb4acab0344c6350471b74
Manifest4841c27475ab0401882bded966c30ce3672c9367e03a71d15d64c11ec9005c8e

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
SignatureSeQIFLNqRJ0yyaljScNRVDc2TFOPwwfphuPf5qetqY7x7hHKaM91QAFA8fRc3erICn+1+SSd30690y/TGb2gBQ==
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

2026-09-17T10:39:31.284177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062244
observed 1dce4dafc72bc85cf2ff435f6cb77ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.268790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062244/manifest.json
observed 4841c27475ab0401882bded966c30ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.252729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062244/publication.md
observed 8cd181476827c5f3c05cb15e0a5af554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.235636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062244/publication.txt
observed bca2cfa95ef5f94c4879fda6884014f1...
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.