OpenTechnical

OT-2026-000047973

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000047973) never changes.

Identity and time

Publication numberOT-2026-000047973 · never reused
Internal UUID01a0ae7f-c422-77be-836b-2d9f043fddea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047973
StatusPUBLIC

Content hashes

Canonical text5d364a86986a3586d3146ec6ad9c5b1b2b10e9d7434c29a1aec71ab99a21faa4
Markdownd56871e5faf66d05b9d475f134710a1fb396ebbc32e57eb5b9d009202cbae888
PDF
Publication pagee032c480bdc29dd89b85e0b711074eb6f2c10d7212fc2434bb8daa8d104f1207
Manifest7318a47d9579ef48deff9bef87e13e3b1c086832d8c9f344f7dfc70e0ed6aa01

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
SignatureNuc8CX5RXnNmaT/fuNEZS0ACXzVJj7vAiUwuT/3yBt/msA2IMatDzS4mRus/quBgcBjb1wgfIXGHERx2EdWkDg==
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

2026-09-17T11:05:57.095151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047973
observed e032c480bdc29dd89b85e0b711074eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.077391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047973/manifest.json
observed 7318a47d9579ef48deff9bef87e13e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.060287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047973/publication.md
observed d56871e5faf66d05b9d475f134710a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.042560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047973/publication.txt
observed 5d364a86986a3586d3146ec6ad9c5b1b...
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.