OpenTechnical

OT-2026-000063113

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000063113) never changes.

Identity and time

Publication numberOT-2026-000063113 · never reused
Internal UUID01a0ae8c-94aa-77d8-9a5b-2918a8fe79d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063113
StatusPUBLIC

Content hashes

Canonical textf5a900cd68b8c7b86708420e4b1ba3f3ee0d8a29cc523ba3ee0d76ea0c14db60
Markdowncc398077e3910c71f770ef039559f5a1647da1ea6edecf3488f23995b7d08521
PDF
Publication page6ee241af676a9b80f5a3775a47ff319e632ce5b160c3d62d5d233758c5dba1c0
Manifest95ba89863ae3329298d016f03d836cf314e5f1f193659774de84170b6671a3c8

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
SignatureFcQXFk2wyZ1axpwO+LFdI6OB3mCynqph6Cm+xYA4fDicrQU2l4PoXiDrWNZ2WAFQxNvv78kUOrgqy+1ISd++AA==
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

2026-09-17T10:38:53.418848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063113
observed 6ee241af676a9b80f5a3775a47ff319e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.401022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063113/manifest.json
observed 95ba89863ae3329298d016f03d836cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.382088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063113/publication.md
observed cc398077e3910c71f770ef039559f5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.364915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063113/publication.txt
observed f5a900cd68b8c7b86708420e4b1ba3f3...
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.