OpenTechnical

OT-2026-000083588

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000083588) never changes.

Identity and time

Publication numberOT-2026-000083588 · never reused
Internal UUID01a0ae98-0415-7a39-931b-d288ffaab4fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083588
StatusPUBLIC

Content hashes

Canonical textac76a80d627b30a45d197c59e1b46bb7054acc2380dde550a4f091f64d5054ce
Markdown95bfdc2a44ffe92ddade24d4865b1cccd0e96aca43856f368815257a2547477d
PDF
Publication pageef2e598ae4faf359f2552df2a646cb0d309ea2b9b13bf83d78d0a7897a8a225e
Manifestaee58b506478d482c477d4d979e57cf035e5353e719d35e66d2227c11abea17a

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
Signaturel9+MdqQpA87j7DoioWdhIuH1xeW7DPG//oZKdcDpuY4bEoBU+m+74Jt7NwGsno9xg4WKj/pmlmufWFgHzeAzBQ==
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

2026-09-17T09:57:04.837643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083588
observed ef2e598ae4faf359f2552df2a646cb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.820961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083588/manifest.json
observed aee58b506478d482c477d4d979e57cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.803944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083588/publication.md
observed 95bfdc2a44ffe92ddade24d4865b1ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.786925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083588/publication.txt
observed ac76a80d627b30a45d197c59e1b46bb7...
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.