OpenTechnical

OT-2026-000032405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000032405) never changes.

Identity and time

Publication numberOT-2026-000032405 · never reused
Internal UUID01a0ae75-106e-7371-9d1b-d6c5208f8dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032405
StatusPUBLIC

Content hashes

Canonical text1c11d91cab3a71034c76d78fba713700d20a1e2a4e47fc8d73c79b7604b614fa
Markdown9fa5b21f5b3582e1e88aed9387a8fe470485f07c1877d66535b832e5ee3574dc
PDF
Publication pagec5036b9b594674d92ae6a4a8ea678ec56cf215c94bf479c0bc5458106f2dc4ac
Manifest9bc212b2d1923b1b344b0a104d3be426152ee48d9717a0a5c270ad9469cae0a8

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
SignatureMoAJaG2Xp0tevNVBftw9dwSNozCGxNu1fw9spazY1OPTbmyUasyXi9qKlipBrMdx6ipZZkhk2umIge6qWNauBA==
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

2026-09-17T11:33:49.223803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032405
observed c5036b9b594674d92ae6a4a8ea678ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.206253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032405/manifest.json
observed 9bc212b2d1923b1b344b0a104d3be426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.180777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032405/publication.md
observed 9fa5b21f5b3582e1e88aed9387a8fe47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.163784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032405/publication.txt
observed 1c11d91cab3a71034c76d78fba713700...
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.