OpenTechnical

OT-2026-000095191

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000095191) never changes.

Identity and time

Publication numberOT-2026-000095191 · never reused
Internal UUID01a0ae9f-8f6f-71ae-90dd-0ad05201767f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095191
StatusPUBLIC

Content hashes

Canonical texta7e49429421363a8dff208e0bb2fe4daa9ac39995e6b62dfcb753bba61ee0a3c
Markdown552c0c8b1bcf6c2e4a11dd49e1aabfddb3deaad487c06791a9a2877bcc8ece55
PDF
Publication pagebeb9f7c1176080aeb1284710b4167792284e7dad74d6c04484e62c1a97c8d141
Manifest1f6dbec28f17943bc6f391f212a6320a070d36c5ae918b118ec5277f8daec325

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
Signature/QxvhSme8TlSUNXUuQvBw1LmXurd0sGBiOi50m+33Akb52YAAjRT08GoAEGJ7hry46D6+hPpXRF8FmwmXEziBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:30.275430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095191
observed beb9f7c1176080aeb1284710b4167792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.258363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095191/manifest.json
observed 1f6dbec28f17943bc6f391f212a6320a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.239346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095191/publication.md
observed 552c0c8b1bcf6c2e4a11dd49e1aabfdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.220732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095191/publication.txt
observed a7e49429421363a8dff208e0bb2fe4da...
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.