OpenTechnical

OT-2026-000048646

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000048646) never changes.

Identity and time

Publication numberOT-2026-000048646 · never reused
Internal UUID01a0ae80-c32a-7402-8e8b-4257e2612b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048646
StatusPUBLIC

Content hashes

Canonical text359c7a71d10f393d897b6630a426bd03d0488106031b980417a48aad26e21792
Markdown3282ea7ce9dc59b329f0fe69f6642e34bf090203d3463c53282d0b4102940dfa
PDF
Publication page57192076d0c08a68c49e041e9eb2381f1d0d55f7c04f687367f8fb4ad9b7ba76
Manifest037b5bc75aca648a925dd97cc2df68eb6951c11a7da4681b28e0e0dcc581dc8b

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
SignaturezkKjNw7C7RLgNEv0cZVfDUOua8/IWjPZBdgcjf+k8+18SzLfymID2dPTU+/dUh8H9vsdY2DvBL8IJD5pNnPNCA==
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

2026-09-17T11:04:15.479083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048646
observed 57192076d0c08a68c49e041e9eb2381f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.460508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048646/manifest.json
observed 037b5bc75aca648a925dd97cc2df68eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.442181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048646/publication.md
observed 3282ea7ce9dc59b329f0fe69f6642e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.419519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048646/publication.txt
observed 359c7a71d10f393d897b6630a426bd03...
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.