OpenTechnical

OT-2026-000086672

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000086672) never changes.

Identity and time

Publication numberOT-2026-000086672 · never reused
Internal UUID01a0ae9a-2c99-7a3a-98aa-e3f13843feb0 · 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-2026-000086672
StatusPUBLIC

Content hashes

Canonical text82f079828348822e25966874ebd6211332b9899e0b14378812b232db88fa1a99
Markdown659e458a585a18d22fb29189e671e9ccfd48f43279be6639dfda7b06b1b57e43
PDF
Publication page4a5a0fcefcf9cb764345b8f3087a79487b663db5f9b9d88b644635440bd747e2
Manifest182968d56f79f42096e27f718972fd9a7acd3004d72fe67c672e07a75497ea0a

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
SignatureeVU7SDWBj6J8M1qB/uIjwLJOgCT01k/6KuollXXEbtDFkuGsyzzEO9C0wfh0EFS2wYXIIc70m+g5o1R4+ND0Cw==
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

2026-09-17T09:52:32.213578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086672
observed 4a5a0fcefcf9cb764345b8f3087a7948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.197535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086672/manifest.json
observed 182968d56f79f42096e27f718972fd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.178847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086672/publication.md
observed 659e458a585a18d22fb29189e671e9cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.160673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086672/publication.txt
observed 82f079828348822e25966874ebd62113...
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.