OpenTechnical

OT-2026-000087848

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000087848) never changes.

Identity and time

Publication numberOT-2026-000087848 · never reused
Internal UUID01a0ae9b-1aa5-7fc7-9f7b-7326c56cf380 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087848
StatusPUBLIC

Content hashes

Canonical text9b43ef5470da974f0902c47795463f3e9310d0c6436e774c7da752b7a6a1e131
Markdown526514fe7212eb602424343eff00c7776fa7d573b95d421c2eb7dce34e6da2eb
PDF
Publication page847ebf69f4a9fa9f54c8606d8005c4dafd073da06ebe96b909c0d25d90649b79
Manifest43a8627a364d8f1ae05b6f95d68ab646e3f8fee569490dac8630477ea1795e37

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
SignaturecNy2ICLbOfLi0BpfU6CT5VafYemyuKMY8FY/qLrqAYBZKjaEwkatAVYeDTKpIzcIgEPLYShqr9Y5fbBdCBvZAg==
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

2026-09-17T09:49:05.441186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087848
observed 847ebf69f4a9fa9f54c8606d8005c4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.422435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087848/manifest.json
observed 43a8627a364d8f1ae05b6f95d68ab646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.405006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087848/publication.md
observed 526514fe7212eb602424343eff00c777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.386992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087848/publication.txt
observed 9b43ef5470da974f0902c47795463f3e...
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.