OpenTechnical

OT-2026-000012233

Publication integrity record

Six cup vacuum gripper, six 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-2026-000012233) never changes.

Identity and time

Publication numberOT-2026-000012233 · never reused
Internal UUID01a0ae6d-39f5-7366-95fc-ce4dee2e0418 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012233
StatusPUBLIC

Content hashes

Canonical texta8bddb437531f002a52d381c4c28339e35c07a4d4798f59813f79116d7fd3fd0
Markdown496d7af1edf75e27b1c1b97be51e851d6fca5549a4637e197a3f31384f3463e5
PDF
Publication pagee77ddb90cf0729f5f493d9d32cd0f435d6c8eadc020ba0585ca46975afbc25a9
Manifest484c8b5b8ef2ae9b2cf52992694cc8001add8bbe9c2bf5909c84afef3a34a723

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
Signature3uvLUMZO7H++Vrwi3p9QjzCt7Bp/qAAbLdIm6ZkVZO04YnNjgKo9P4GjYyk55Odl+vD8MjHikhJQj7KS/nqfDQ==
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

2026-09-17T12:11:09.464931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012233
observed e77ddb90cf0729f5f493d9d32cd0f435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.445700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012233/manifest.json
observed 484c8b5b8ef2ae9b2cf52992694cc800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.426529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012233/publication.md
observed 496d7af1edf75e27b1c1b97be51e851d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.406906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012233/publication.txt
observed a8bddb437531f002a52d381c4c28339e...
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.