OpenTechnical

OT-2026-000011900

Publication integrity record

Two cup vacuum gripper, two 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-2026-000011900) never changes.

Identity and time

Publication numberOT-2026-000011900 · never reused
Internal UUID01a0ae6d-1942-7ecc-a297-94a38ae39c5b · 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-2026-000011900
StatusPUBLIC

Content hashes

Canonical text2ac70195a8ef9d1fe3f936eb3fb3edfb71dd857bd9ed255f6a0af27caef6f362
Markdown6acfa3d94664774b360ade5582357f9c315a97cefc79cc889467837cdbe9a19a
PDF
Publication page151339950529f6650357ad3548e3927e5ce8e4a49edf43119ce0e7c2220aa5c2
Manifest59d84b4238c5bbc1c34c100fb0db80b8f495af68f727931ead92001b4ecc6a0f

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
Signature8LOKPCdFlbTPsJTuLTiiSKF3aoN/Gsxvw/Gz9FNzgYJYDR5opgIwy1R080OKRwszbysaJ8OzEGVBxUGLPZoaDQ==
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

2026-09-17T12:12:39.527977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011900
observed 151339950529f6650357ad3548e3927e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.509723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011900/manifest.json
observed 59d84b4238c5bbc1c34c100fb0db80b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.492463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011900/publication.md
observed 6acfa3d94664774b360ade5582357f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.474250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011900/publication.txt
observed 2ac70195a8ef9d1fe3f936eb3fb3edfb...
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.