OpenTechnical

OT-2026-000091525

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000091525) never changes.

Identity and time

Publication numberOT-2026-000091525 · never reused
Internal UUID01a0ae9c-f16e-74f4-9e57-4c946c3936cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091525
StatusPUBLIC

Content hashes

Canonical text8cb54081a4d55659b1c9d10ae5d42a04729cb21555044eda152a945b9f918ff8
Markdown846a9f173c37ff54485b80fe3c5844485208527de3bc722e04a084dee58cc03d
PDF
Publication page6c03be7a02f56e299a4d9c249c344930b4c325f2bda5ff65f21b12e96a75fb4b
Manifestb71a771bd3e786f2178e44c627117c96794d770cd936af766992af26e27c22de

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
SignatureOvpEI3CdmXa/1l+OLv3B0GjAItxL2zYGtNl/vs7gVNlsmPTb7D3oFkX12hdgx3jFqHbIdcuFqB5QKGHYzOLoAw==
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

2026-09-17T09:43:47.480567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091525
observed 6c03be7a02f56e299a4d9c249c344930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.463086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091525/manifest.json
observed b71a771bd3e786f2178e44c627117c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.446160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091525/publication.md
observed 846a9f173c37ff54485b80fe3c584448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.429318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091525/publication.txt
observed 8cb54081a4d55659b1c9d10ae5d42a04...
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.