OpenTechnical

OT-2026-000021335

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed 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-2026-000021335) never changes.

Identity and time

Publication numberOT-2026-000021335 · never reused
Internal UUID01a0ae6f-865c-70c8-a44d-fab5e5d4212a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021335
StatusPUBLIC

Content hashes

Canonical text6ac47d90e7524b8327b55f4354b840fa67bdf1c88cd0cb921a2bb78cecf4adf6
Markdowna2e347ee80cd2a9d03f8ddc75e31d7599576583a056fd4ba880c04fa4cc7f3dc
PDF
Publication page26f9053649e25ff00c55ccedb13261ec3dbc2c96f42794cff2d7edf669f3b0f0
Manifest40c6d8b216b384400fd31cc3139b1571ee81bbb0141cf611b7f0f61303082e1b

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
SignaturemGaeFbD49u10LkwwLLilu1E/HULgAhvgen/LaGN3Sy+7LhUp0h+tUy7hNZrOvxXFQmVQMvpukAESX/sl2au3Dw==
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

2026-09-17T11:55:11.106803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021335
observed 26f9053649e25ff00c55ccedb13261ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.088399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021335/manifest.json
observed 40c6d8b216b384400fd31cc3139b1571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.070478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021335/publication.md
observed a2e347ee80cd2a9d03f8ddc75e31d759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.039129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021335/publication.txt
observed 6ac47d90e7524b8327b55f4354b840fa...
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.