OpenTechnical

OT-2026-000038944

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000038944) never changes.

Identity and time

Publication numberOT-2026-000038944 · never reused
Internal UUID01a0ae78-76a0-79b7-aef2-17f17eae7583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038944
StatusPUBLIC

Content hashes

Canonical textba418ce1b0d01d8d0c90170e856439093d495b9917fe1c8aab1aed80e6de5665
Markdownff3a2291f020ff895c05cfc2a7e7fdf7321c19da37772b1b5d62e82e45664f42
PDF
Publication page2d9e46ac9c8bda06bde82ae1f8221f3559cb4b7f9fe3ab2bdeb708227104d613
Manifest0e2ef416b50014a39294ad537b1c6db20fe599b643180c7daa6288e9c9396b8b

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
Signature+noTPSQk21DuoV68jXCGZ3w8YYufTa9Ukj17QQKtpnqAvSFVHGHUADavKfMJdr4HjK1oAarEzbvx7GQEEJYiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:12.855854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038944
observed 2d9e46ac9c8bda06bde82ae1f8221f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.837942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038944/manifest.json
observed 0e2ef416b50014a39294ad537b1c6db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.819582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038944/publication.md
observed ff3a2291f020ff895c05cfc2a7e7fdf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.799987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038944/publication.txt
observed ba418ce1b0d01d8d0c90170e85643909...
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.