OpenTechnical

OT-2026-000012054

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, pulsed 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-2026-000012054) never changes.

Identity and time

Publication numberOT-2026-000012054 · never reused
Internal UUID01a0ae6d-1943-7e4a-8d79-904d460b0270 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012054
StatusPUBLIC

Content hashes

Canonical text8d53529e84d72b081572216ee1743e69e8005fcb49f2ef83c2b013bf67e65526
Markdown78b22314affc5c4eaee2e6d2453f8ad0fc300057410efaa889f1bae5d94e00d3
PDF
Publication page728cb4c512ed8f4fa6e8e50cf3d338b60368c3517ce636a8813e18b6ef7e9fd5
Manifest87f29d64b0274bfd313e3ddb0a00598302f691ebc7f37f168737e290bb83c60a

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
SignatureGOBrMVMmFUfFV46Boe+90qmxiJqDWn92OAqWl/lbQXHAcKmdJ71qJ+T5TQH3VowVztIsGGWsx0GGIraasrvDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:56.029697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012054
observed 728cb4c512ed8f4fa6e8e50cf3d338b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.010514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012054/manifest.json
observed 87f29d64b0274bfd313e3ddb0a005983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.991081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012054/publication.md
observed 78b22314affc5c4eaee2e6d2453f8ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.971905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012054/publication.txt
observed 8d53529e84d72b081572216ee1743e69...
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.