OpenTechnical

OT-2026-000066329

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000066329) never changes.

Identity and time

Publication numberOT-2026-000066329 · never reused
Internal UUID01a0ae8e-8dc4-752a-8449-5aa5f1bd28ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066329
StatusPUBLIC

Content hashes

Canonical textd7fcaf0b4ca1a18220a8b948c549aa01b1287ea9ee1c85dc2dff801b2f212384
Markdown019fde88cbd3cbf316265143d819fff3dbbcefc7dce15b5907ddc84a40152c2c
PDF
Publication page4b36f59b3fde9d967390319f431f71ff697ccf8bec84270d8f79235a6f5e17d3
Manifest4a6b583b219816154c4518166507ec46e3b3375a6dc01b8d5a38fd11f53012e6

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
Signaturefa1qMHPTzsPiJCJv+EF5VDxwHzJje97hVpKUBNsJfdDmi16U5j0iK3IE9p887oK3SoU/TSD3Q6wLTw5ew0l6DQ==
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

2026-09-17T10:33:31.297334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066329
observed 4b36f59b3fde9d967390319f431f71ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.279464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066329/manifest.json
observed 4a6b583b219816154c4518166507ec46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.262911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066329/publication.md
observed 019fde88cbd3cbf316265143d819fff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.244683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066329/publication.txt
observed d7fcaf0b4ca1a18220a8b948c549aa01...
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.