OpenTechnical

OT-2026-000067574

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000067574) never changes.

Identity and time

Publication numberOT-2026-000067574 · never reused
Internal UUID01a0ae8f-6bda-7f7d-8b82-8debd0075a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067574
StatusPUBLIC

Content hashes

Canonical textc3bcf2ea5e935fc2093b13f3770c42c94763dfaffb09f9eccaacaf339b499043
Markdown40a0342b1adf232bda2cff5c4222187f42e790527107df7253f19e0b04ed7f3a
PDF
Publication page97cd56d952d3c76e21ad601dcb47dc0943fafc540780b885e7262876ffeb3082
Manifestf8be2d1a5f52388833db3670018978dcd513edf183e0c0a0e4ebec9ec1ac4b73

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
SignatureHNH7WO8M+Iqc0Wk8B8T7FZrT7go6sc0wE+lIWJf8KA0A4phJ+NBD76QG7LBM38ofRTiX6EfHKYZ5NSQunJtfCQ==
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

2026-09-17T10:31:53.153298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067574
observed 97cd56d952d3c76e21ad601dcb47dc09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.134942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067574/manifest.json
observed f8be2d1a5f52388833db3670018978dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.118605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067574/publication.md
observed 40a0342b1adf232bda2cff5c4222187f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.100694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067574/publication.txt
observed c3bcf2ea5e935fc2093b13f3770c42c9...
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.