OpenTechnical

OT-2026-000084579

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000084579) never changes.

Identity and time

Publication numberOT-2026-000084579 · never reused
Internal UUID01a0ae98-e25b-7102-b6e6-2e46c3de70e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084579
StatusPUBLIC

Content hashes

Canonical textf7bda4db9ff8d59a0c514e47f67767268efd1d8ee10ec3422517a5d3810e2d60
Markdownc1c9ade4740974b93789c8f7643b391e1dc6d281d8eae23459874c11d30b1124
PDF
Publication pageb06e2a3e85cad230103a6ce80d44d5c729867ece18b0e93e0fa041e25aa62820
Manifestc8225f32999705633a140f893e6ba8d1725ae8e4e2c192381f713ce1fd123434

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
SignatureVwEFEF+k++r02rJmubuubF9oNgB4LUBA6xYdweDuvc/TCS0PYYVS6s3BfzoVyokhnze9EBMDryAouqatP0HPAQ==
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

2026-09-17T09:55:28.675995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084579
observed b06e2a3e85cad230103a6ce80d44d5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.658977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084579/manifest.json
observed c8225f32999705633a140f893e6ba8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.640582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084579/publication.md
observed c1c9ade4740974b93789c8f7643b391e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.623883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084579/publication.txt
observed f7bda4db9ff8d59a0c514e47f6776726...
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.