OpenTechnical

OT-2026-000082081

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000082081) never changes.

Identity and time

Publication numberOT-2026-000082081 · never reused
Internal UUID01a0ae97-4d93-746f-965c-b4f449168777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082081
StatusPUBLIC

Content hashes

Canonical textc6c15bf2c67a31a85f9b632f7f7c4bd86d7c5ca1544847afc0c62390bb0348bf
Markdownec0f6dbf806be40ca6b63d21aad26e74e7d806b4ff47454db490e549cefccc65
PDF
Publication pagee03ff8da2bc7e896cbd459c8a71fac2af226e5cdc86e45bd0df6f2f0bbc7d279
Manifestdcaf55ad6dbb865f8a214dc3daf98238d00dd487f7761c0da486f56b9873b7c3

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
SignatureMqyL8HVgEQ9nsdm0UfjNk+5ufYp7Z8N9WaevDGjmSI1YurAo+c02MZp36W8cEpJSo14BVEaU/4O/aoFDksC4Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:53.174551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082081
observed e03ff8da2bc7e896cbd459c8a71fac2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.156071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082081/manifest.json
observed dcaf55ad6dbb865f8a214dc3daf98238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.136596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082081/publication.md
observed ec0f6dbf806be40ca6b63d21aad26e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.118056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082081/publication.txt
observed c6c15bf2c67a31a85f9b632f7f7c4bd8...
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.