OpenTechnical

OT-2026-000086318

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000086318) never changes.

Identity and time

Publication numberOT-2026-000086318 · never reused
Internal UUID01a0ae9a-2c96-7589-b8c0-ea97cf09aa51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086318
StatusPUBLIC

Content hashes

Canonical text30cb1cc172197925d885c58354d1d5bca493edf485f2fa76566f3555070b474b
Markdown4b932e71b5f34ed2cb3efa56542a21c1e4acbd0694434d0da9c7ad9d3b6015e3
PDF
Publication page2cb6435392369dddf12de4ce25db0586c4389eb64311e19eb1cd372bf0c35159
Manifeste387339323613a394646c3cec33b4e6501ea790c23935e4ba365a36019f500bf

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
Signature7btaX2GyN+GGLuXegadFEC4xx/sVB0BArhE4miQ1yWu13qvvlDFAvNKlat863ZvA5zIZfLg68dHfEaLPaheACA==
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

2026-09-17T09:52:00.263504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086318
observed 2cb6435392369dddf12de4ce25db0586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.244830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086318/manifest.json
observed e387339323613a394646c3cec33b4e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.223639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086318/publication.md
observed 4b932e71b5f34ed2cb3efa56542a21c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.203914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086318/publication.txt
observed 30cb1cc172197925d885c58354d1d5bc...
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.