OpenTechnical

OT-2026-000011535

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000011535) never changes.

Identity and time

Publication numberOT-2026-000011535 · never reused
Internal UUID01a0ae6c-88ff-7f9f-8c3f-a1c7931af8d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011535
StatusPUBLIC

Content hashes

Canonical text479919859ca08ad19ef432d86a7c32dc942a53241ffa9686cc38c9a5c6c8e068
Markdown70402a39c03edf44c5ef3e0236b85d3e25cfe0d201ee1ca4ede7f63d4864fe6f
PDF
Publication pagee7ce74fd09f9c5460b800aee7699b31a7090d3b8a35edcf3d1efcd34b170179b
Manifest3f782ee4faeb699d353aaf1830b4b0bc4cc55cb2feae0891673a8173edae0335

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
SignatureWLL6Dg533TR50Z0+xBtIQgQx1qRyvwtSkt06038o4N/c2Nw4rHdm0Sf43zy+W90h4u1RdvkxHLAddp9idcavCw==
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

2026-09-17T12:13:19.538732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011535
observed e7ce74fd09f9c5460b800aee7699b31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.521044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011535/manifest.json
observed 3f782ee4faeb699d353aaf1830b4b0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.502237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011535/publication.md
observed 70402a39c03edf44c5ef3e0236b85d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.483049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011535/publication.txt
observed 479919859ca08ad19ef432d86a7c32dc...
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.