OpenTechnical

OT-2026-000090706

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000090706) never changes.

Identity and time

Publication numberOT-2026-000090706 · never reused
Internal UUID01a0ae9c-7f31-7e22-9c71-6f78bc6c4e23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090706
StatusPUBLIC

Content hashes

Canonical text6a6f12a48e9e2a2982a15243e03609ccf6eb8fe2c566a4205c6ca423a7ac7bb1
Markdown314bc351632184b68009c7dc226bac238fa1d0c3fb7232963a878c9b8d375e0d
PDF
Publication pagee43c5b8ba46d0e12316f5a145dde72c698f57f6049a61da32f6756109373b72d
Manifestb8b36db06b692159e3b26eb2b618d5dd6245bf54b58273d694c14bc373b6d86c

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
Signaturep//25F7ANXNrMv1l0C8fpwS8nEV3iGpTtJHA2FsXYjyyu/bwVy7FQXetby42v0DVw3vxAO2exVRvfqh0xX5/Cg==
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

2026-09-17T09:44:54.610158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090706
observed e43c5b8ba46d0e12316f5a145dde72c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.591417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090706/manifest.json
observed b8b36db06b692159e3b26eb2b618d5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.570544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090706/publication.md
observed 314bc351632184b68009c7dc226bac23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.551206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090706/publication.txt
observed 6a6f12a48e9e2a2982a15243e03609cc...
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.