OpenTechnical

OT-2026-000025222

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000025222) never changes.

Identity and time

Publication numberOT-2026-000025222 · never reused
Internal UUID01a0ae71-5fa6-79e1-ad93-9899a04088cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025222
StatusPUBLIC

Content hashes

Canonical text65b67f83455486e4cf8307c7588f6736beba8f271ab96c34e55236408bb31b81
Markdownccc3a7a7a5195db5be6c6b828cef359ba4da3226b878bc6f13fdd9c6d644c0f4
PDF
Publication pagecda81e7c635fcb4af3d9d7d1c8bf0774ea75623644afe13ecab800f89b71cb3a
Manifest032a95472835e8572ea195657d51222981f27d81efdcede7e09b6134609fbfc5

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
SignatureEi0JGDaFldOtNQ2wqhc0IQwhBicBm8DE2pDMcpepzUECx2ybDID7j3UKuHrjX3GclviZLXBJfwYzLPYWqeaGAQ==
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

2026-09-17T11:47:13.567745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025222
observed cda81e7c635fcb4af3d9d7d1c8bf0774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.550314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025222/manifest.json
observed 032a95472835e8572ea195657d512229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.533881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025222/publication.md
observed ccc3a7a7a5195db5be6c6b828cef359b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.517381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025222/publication.txt
observed 65b67f83455486e4cf8307c7588f6736...
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.