OpenTechnical

OT-2026-000100474

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000100474) never changes.

Identity and time

Publication numberOT-2026-000100474 · never reused
Internal UUID01a0aea3-66ef-723f-ab47-81b09b68fe15 · 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-2026-000100474
StatusPUBLIC

Content hashes

Canonical text881cf0505bc4c7ea338c9f77648793b869f7015b691f19d06f6657f0b7a5ad1a
Markdown1335344f6523c69c56d9c7298d803f3131a3d802d1aeec67da5bc435c19b3bb7
PDF
Publication page3803ef535440bf33460342b6c56601efc2778fdd2614ebb9c2bc3b18b0975da5
Manifest23c45e51e57b452ac90199924aeadbfa5497a22678e6f5608a6c0d4ba0ca877a

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
SignatureUcjGmftYyVP998n423nlAvAwO3K94Yp8+1z/2IH+DWlo4RPxeVAcgYdzOGkSSxwZTYwLl+6V2xgOifBHHyyAAg==
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

2026-09-17T09:27:13.665567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100474
observed 3803ef535440bf33460342b6c56601ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.647281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100474/manifest.json
observed 23c45e51e57b452ac90199924aeadbfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.627397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100474/publication.md
observed 1335344f6523c69c56d9c7298d803f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.607365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100474/publication.txt
observed 881cf0505bc4c7ea338c9f77648793b8...
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.