OpenTechnical

OT-2026-000026694

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000026694) never changes.

Identity and time

Publication numberOT-2026-000026694 · never reused
Internal UUID01a0ae71-f4aa-7b8d-a07a-7b02320b2116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026694
StatusPUBLIC

Content hashes

Canonical textda14ee3977e3c289211bcd40b1bfaa03f2935c116f96d22c66ec81022b39d419
Markdown974a30e15b297327dce7a52046ac7a9ba8f35741b34241fa3cc1959200ed2c89
PDF
Publication page85ee12fa1faaa7e03ab9b1fa3787d3179266ebff9a284e554fd3be6ad7b0b1e6
Manifest8835aa88496003c175bed23df875d8a5d0a13a761618b7edab593d0e1b11287c

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
SignaturecXTba/wRZXog+1aBwgYwiQI9os0ulq/XOybxk+sbUgB6wQ2IiX8U7DzjmcMMKIBX823SlFxYaeizknTX2exCBA==
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

2026-09-17T11:45:47.027721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026694
observed 85ee12fa1faaa7e03ab9b1fa3787d317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.995805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026694/manifest.json
observed 8835aa88496003c175bed23df875d8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.975133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026694/publication.md
observed 974a30e15b297327dce7a52046ac7a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.959310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026694/publication.txt
observed da14ee3977e3c289211bcd40b1bfaa03...
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.