OpenTechnical

OT-2026-000100601

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000100601) never changes.

Identity and time

Publication numberOT-2026-000100601 · never reused
Internal UUID01a0aea3-66f2-71ac-96f8-1c801c1c0e29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100601
StatusPUBLIC

Content hashes

Canonical textb794b66d8488fd0c93da3a9cb2e8a0b9f55ed9f0a983939875742f402f3b5546
Markdown206bdfd2434329b01bf649757b77200392bdfcd37d222e28db39dd4af9597969
PDF
Publication pagefb765242a29bb842bbaca0fcd5d6f0b012e665635559e080cbc61a98b85a5153
Manifest265e74a501870725962ddfea25ade44ce6bdca3807a98085fffefb7e761325f2

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
SignatureBiLrPJO+hlZkNdmBQB3in3KJjYS9gbKwXkwrm9sk+VGmFRPu28Gua6oe+E5w6IwqjnVMrWVpJigOUBpCNltUAg==
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

2026-09-17T09:27:23.473335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100601
observed fb765242a29bb842bbaca0fcd5d6f0b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.455714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100601/manifest.json
observed 265e74a501870725962ddfea25ade44c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.436431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100601/publication.md
observed 206bdfd2434329b01bf649757b772003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.416642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100601/publication.txt
observed b794b66d8488fd0c93da3a9cb2e8a0b9...
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.