OpenTechnical

OT-2026-000038437

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038437) never changes.

Identity and time

Publication numberOT-2026-000038437 · never reused
Internal UUID01a0ae78-2d53-7b01-92aa-c32ddffedad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038437
StatusPUBLIC

Content hashes

Canonical text121c61a13f2021a2b2466321aebef9bd734285ebba215608c98ca70986bb712f
Markdown41bf9bab61691be844872948834739370b38132c9775d078f21d4c460c34fcfb
PDF
Publication page262c7f55f7de07de816aabcd7e73a8c2faba623629a1691576010764c182074e
Manifesteb681b9a499dc90fc27a355390b743a2ac41d62e8537f665b8a004ee0db6919f

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
SignatureiXIuD8PrdzzL8djrUfmedK1GtYexmHLbEiC/HYHMmquCN5gDOATEAddn3qEUSzQUa3hWXHn94nznKkIxRHBMBA==
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

2026-09-17T11:22:36.045291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038437
observed 262c7f55f7de07de816aabcd7e73a8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.025161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038437/manifest.json
observed eb681b9a499dc90fc27a355390b743a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.983693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038437/publication.md
observed 41bf9bab61691be84487294883473937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.946509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038437/publication.txt
observed 121c61a13f2021a2b2466321aebef9bd...
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.