OpenTechnical

OT-2026-000091993

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000091993) never changes.

Identity and time

Publication numberOT-2026-000091993 · never reused
Internal UUID01a0ae9d-43bb-76d2-8151-e8ad2f9a4c58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091993
StatusPUBLIC

Content hashes

Canonical text011a039b2fb780a236a23bab4d3190ad993340533f6d18fe35644ffdde93e966
Markdown99facbc7ebe7bfd55ab2693c0704a281eb3ebe6f9ce7e70c391c278a60921ba1
PDF
Publication pagefe24072996f14301db66143ea390da3f526265fa363f4a2fcb6d97b4be25fcbc
Manifest3cc13504951b62a72619f05dfc7468c8b57d882ab341338bb6458d710d720112

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
SignatureRrxyP2rmphp7Q9Olurz/q0C1ttUrBDJKPXSaSLCH0nlqvT4HdII1tkxuC1HdDgyrXLRGoAVDNx8KzP+sLeuLAQ==
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

2026-09-17T09:42:59.669663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091993
observed fe24072996f14301db66143ea390da3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:59.633944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091993/manifest.json
observed 3cc13504951b62a72619f05dfc7468c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:59.593485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091993/publication.md
observed 99facbc7ebe7bfd55ab2693c0704a281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:59.560075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091993/publication.txt
observed 011a039b2fb780a236a23bab4d3190ad...
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.