OpenTechnical

OT-2026-000067869

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000067869) never changes.

Identity and time

Publication numberOT-2026-000067869 · never reused
Internal UUID01a0ae8f-c4fc-7e6c-9db6-688b49729b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067869
StatusPUBLIC

Content hashes

Canonical text3b69bb1e385a29524f753c10f1ba7302ed8560a7a3a37c45e11e226d2e0bff06
Markdown7389477de4f265bb79f4b826e41625fb9d5d97888c575a9cb201e6092c52c2db
PDF
Publication page468e9fbc09fffde1e477d1968ba08af76ab5a60e9b337d2855bf2005954ca8ab
Manifest11da6bd2740d035353d6695fe04868f1960ef3dccd8e145f8e1c84628485125e

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
Signature3LC8zcA1JjAcAiHV9lC17wRTARJnkgZsLrxcYsVWYh+NtMA+S3YwNAGr6pBTQ7JAZq5IgLDD9G/y8+T1hutiDw==
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

2026-09-17T10:30:15.321379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067869
observed 468e9fbc09fffde1e477d1968ba08af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.303591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067869/manifest.json
observed 11da6bd2740d035353d6695fe04868f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.283296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067869/publication.md
observed 7389477de4f265bb79f4b826e41625fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.267263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067869/publication.txt
observed 3b69bb1e385a29524f753c10f1ba7302...
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.