OpenTechnical

OT-2026-000011215

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000011215) never changes.

Identity and time

Publication numberOT-2026-000011215 · never reused
Internal UUID01a0ae6c-5410-7e11-9afd-740fdafcc558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011215
StatusPUBLIC

Content hashes

Canonical textd16e1a670af5e09d8d7bc2b7460ecd6f044df48094465bd301d84471a686574f
Markdown6bec316b9436f37e5f6be47f6ddbd1379f2864b79273c1132283d9c3cf3530c6
PDF
Publication page6231816acf6eddfc77db7130e4aa8dba17247350c2d1ee725ee09e0d5a259d1b
Manifest8b1824e678521495c6b37e9bdc2b1e6c13c5641c1cd09120a1ba71bc790f6c13

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
SignaturejXzdEBxfOhMa6MjIeAQ9rtbgmFx1Hb76VPZXfWiv8coIqicqrDS8SmxVnuruWorUd8v096FMMNQpwVzLq4sYDA==
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

2026-09-17T12:14:10.197999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011215
observed 6231816acf6eddfc77db7130e4aa8dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.177725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011215/manifest.json
observed 8b1824e678521495c6b37e9bdc2b1e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.158236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011215/publication.md
observed 6bec316b9436f37e5f6be47f6ddbd137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.138058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011215/publication.txt
observed d16e1a670af5e09d8d7bc2b7460ecd6f...
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.