OpenTechnical

OT-2026-000010515

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000010515) never changes.

Identity and time

Publication numberOT-2026-000010515 · never reused
Internal UUID01a0ae6c-0ee7-7dec-9367-1f438efd6c39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010515
StatusPUBLIC

Content hashes

Canonical text030e69dfbb77b7d4dddb57dfe944de0752abf9ec23866fa1501a69f5d4056b77
Markdown3f94d22b938fa28cc6219b2a6875ff120dec4520ab0325b4f231dd569f82a766
PDF
Publication page51f4b880d107049808ae0b4f4d1ed0ebb347f1ef832ff105b54467c70af820a3
Manifestcbaf8e985b08f95a0dcad4f5b1308f57a4ff467e093bc90ca441d22a09200d69

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
SignaturezPmSCIMdF0/1fALnD5JBLfhS1P6ZffsDPyk4ELztM9U+j/1Lp+a0oa9jzQaonelhruPPttke60Vc3GOhlF5pBw==
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

2026-09-17T12:14:40.381011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010515
observed 51f4b880d107049808ae0b4f4d1ed0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.363004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010515/manifest.json
observed cbaf8e985b08f95a0dcad4f5b1308f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.341143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010515/publication.md
observed 3f94d22b938fa28cc6219b2a6875ff12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.321549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010515/publication.txt
observed 030e69dfbb77b7d4dddb57dfe944de07...
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.