OpenTechnical

OT-2026-000024813

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000024813) never changes.

Identity and time

Publication numberOT-2026-000024813 · never reused
Internal UUID01a0ae71-2727-7206-9998-c71b17a0b5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024813
StatusPUBLIC

Content hashes

Canonical text0c5f7fe33660edac45c3a89649985c5fe1cca6fa9b13fa121dcc4687dd1f3237
Markdownaf2a02a8b5b05b148385f6c039b952c1cc41dca72082aff16d4fe3685a7a503b
PDF
Publication page52ea0be41b2ade5285d1e887a07777c4a6c02e649fa8770e66a7b077bf95c5ea
Manifest9cdedd79a20461b26aac5ec73db8ee1a4ec0a865f54fe5d6f1fec2d71914d432

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
SignatureOjIvH5dNSstT8+jTIf1Z47agSko9VLzX6mMorQRBgB7Sq7vZO33eWNIjZ2gKzS6k1U8BI3JLojFEvJ4BrAqcAg==
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

2026-09-17T11:48:05.608126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024813
observed 52ea0be41b2ade5285d1e887a07777c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.593302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024813/manifest.json
observed 9cdedd79a20461b26aac5ec73db8ee1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.576732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024813/publication.md
observed af2a02a8b5b05b148385f6c039b952c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:05.561745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024813/publication.txt
observed 0c5f7fe33660edac45c3a89649985c5f...
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.