OpenTechnical

OT-2026-000103979

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after set-down

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-2026-000103979) never changes.

Identity and time

Publication numberOT-2026-000103979 · never reused
Internal UUID01a0aea5-15e8-7afc-a378-181d78d1fb5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103979
StatusPUBLIC

Content hashes

Canonical text5feba85dac4c8de82451ee6dacb7185b5fac9e1e896c4128a87aeef246206843
Markdown568b3c4fc2ed9c2145f952f5ee5d9edfac92795765c51db71bedd842f0075266
PDF
Publication page01016e2c34d7acba9ae476de707536df3feaf0e5a4283996bb677a1170b23f10
Manifesta8b03b19b0b2d080cfbfd2cf06e42bafd861290eb15a44de55f49e7cec59aada

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
SignatureFalcTsIJcym5z+XgGivCFWdh5ss7wsq6/2yfLuHdzkd6HqXKonck7uvlhoeNRUpZkYQgikpQsljJAPF49eHVCQ==
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

2026-09-17T09:21:58.955086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103979
observed 01016e2c34d7acba9ae476de707536df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.936994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103979/manifest.json
observed a8b03b19b0b2d080cfbfd2cf06e42baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.918457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103979/publication.md
observed 568b3c4fc2ed9c2145f952f5ee5d9edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.900944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103979/publication.txt
observed 5feba85dac4c8de82451ee6dacb7185b...
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.