OpenTechnical

OT-2026-000095856

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000095856) never changes.

Identity and time

Publication numberOT-2026-000095856 · never reused
Internal UUID01a0ae9f-fac7-7f99-9179-8525806cedbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095856
StatusPUBLIC

Content hashes

Canonical texta9543e2e42e3abfe0e9b1e0a016fa9141808c58b58d2187d6e34c38f55452379
Markdown7e456a12e70e784145dcce0bab064f8d164be22c8022380515929ae228c230ac
PDF
Publication page998cd31cf7f35a0754bc7581b3a44bd57219542bf6be9008166a6d9608e18a59
Manifest360751542e69b666bbc659a4cb51c2f2e8bef353d46149f89972d8c242c08a76

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
SignatureW2AUhkGYIHBJL0r65EjReq9YoTYLONabe4pk4I00gg3CFKWbbBPp7sCz2mNcDM2ieiLBOZKhO6ykVTKyLE0QCg==
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

2026-09-17T09:35:56.841855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095856
observed 998cd31cf7f35a0754bc7581b3a44bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.823750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095856/manifest.json
observed 360751542e69b666bbc659a4cb51c2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.805239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095856/publication.md
observed 7e456a12e70e784145dcce0bab064f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.788467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095856/publication.txt
observed a9543e2e42e3abfe0e9b1e0a016fa914...
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.