OpenTechnical

OT-2026-000018919

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000018919) never changes.

Identity and time

Publication numberOT-2026-000018919 · never reused
Internal UUID01a0ae6e-d522-7735-9e15-f161ddfafb17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018919
StatusPUBLIC

Content hashes

Canonical text5089b0f81598f9646faa43fc96f56eb2999bcd2961dd169b055fcf9231be7fa1
Markdown1f7b4516bc05f28437592ec3ff28386cb2833d3093a4d70effb0c9a647215f95
PDF
Publication page84dcd5619bf29e306c048b1d851e1b07d5bb65f7e53d8a8fbd635c51c4d84acd
Manifest04e5d271aebc3f2f8a18bfe85db64dac431945a77cf1f2a00190e49ccae248ce

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
SignaturebRpipHvYNMsVYBac8MlLLeeZoyDEnpNDD6wqrnqA8OFMZcShwj/ti3JJ6n2r9238SbLOWtuiiCe4ApzeF6VBBQ==
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

2026-09-17T11:59:34.768409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018919
observed 84dcd5619bf29e306c048b1d851e1b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.749364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018919/manifest.json
observed 04e5d271aebc3f2f8a18bfe85db64dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.733376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018919/publication.md
observed 1f7b4516bc05f28437592ec3ff28386c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.716155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018919/publication.txt
observed 5089b0f81598f9646faa43fc96f56eb2...
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.