OpenTechnical

OT-2026-000010424

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000010424) never changes.

Identity and time

Publication numberOT-2026-000010424 · never reused
Internal UUID01a0ae6c-0ee6-714a-80f8-bfa7a7cddb99 · 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-2026-000010424
StatusPUBLIC

Content hashes

Canonical text3252e6315de8b64270951d77bee89845351125eb798c06d75bbed6073cfef7f2
Markdown98922962df77f05839c9f7f282380172cb2de3259d0c12fd7c39106bb65440a0
PDF
Publication page27de4c050e25e541ab1acbc4243a9b9bdf2a468da33418d0681508fc05f053a7
Manifest3351ca00d9e0775989d5ffeb86f576fce0b6d089fa67e21f238793254fddd80c

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
Signaturec1CvYioxo6w2oR7w67fovhh68pH47LAtD2tk1JnExMNMpYCJIE6UEiPQu+Eb0bM657GLFa+acW9A5/Mj6wgUDg==
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

2026-09-17T12:14:33.154439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010424
observed 27de4c050e25e541ab1acbc4243a9b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.137848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010424/manifest.json
observed 3351ca00d9e0775989d5ffeb86f576fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.118130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010424/publication.md
observed 98922962df77f05839c9f7f282380172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.099988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010424/publication.txt
observed 3252e6315de8b64270951d77bee89845...
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.