OpenTechnical

OT-2026-000104060

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000104060) never changes.

Identity and time

Publication numberOT-2026-000104060 · never reused
Internal UUID01a0aea5-341e-7db2-8b2a-064713c9713d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104060
StatusPUBLIC

Content hashes

Canonical text41e43b570db9110d49903db1d92b8ef75bc05d3c6af02febf51a336cd4984c0d
Markdown4f4b37b3ddb8d684275e05aafe234502492314a22ebcfbfd98b530f78c766eda
PDF
Publication page4acbe08b3485dddab6e8400b9855cd442c4c7ef2dd97a275774d1f1d86313421
Manifest681653d5fd10ab63c4445fdc80c528f6100bbec0c35d7346cf9f48a60aa819f4

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
Signaturev5rEeEDB6t6SI1xFL6wI8t18PaYAkFI2v5E36oSLlrvU8NTM0ogr2+nm5I5+RdZRNz9Si6fswoaSbmdE+5IqDA==
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

2026-09-17T09:20:07.788450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104060
observed 4acbe08b3485dddab6e8400b9855cd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.769453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104060/manifest.json
observed 681653d5fd10ab63c4445fdc80c528f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.751407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104060/publication.md
observed 4f4b37b3ddb8d684275e05aafe234502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.732301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104060/publication.txt
observed 41e43b570db9110d49903db1d92b8ef7...
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.