OpenTechnical

OT-2026-000011708

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000011708) never changes.

Identity and time

Publication numberOT-2026-000011708 · never reused
Internal UUID01a0ae6d-1940-7e4f-abfd-d4c3e21f2fc9 · 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-2026-000011708
StatusPUBLIC

Content hashes

Canonical text5f608c70369af9678e709560281a8831ad8938d95dc83a5d2865283d67a6fd75
Markdown5dbc3910115757abb0276339216e1a0653d6cebd02d7c1a6fd49a0a27b8225b6
PDF
Publication page4afae3d2ab7ab0384bdf0be7cb025464b29c8cfac92573b93833099c3cfafea3
Manifest0217c805983976c5d3fb89046120af2e41b6bca4f27df97c0045065cb6807240

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
Signaturedp8W6O8dxOe2PIY4SOIvPuLyCkIUyvT5pGEwTs0CuYF631Nu4z+EmtOjXn9R5ehLDid3mVxNJgwmU6g0ddneAQ==
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

2026-09-17T12:12:19.033882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011708
observed 4afae3d2ab7ab0384bdf0be7cb025464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.014716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011708/manifest.json
observed 0217c805983976c5d3fb89046120af2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.996487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011708/publication.md
observed 5dbc3910115757abb0276339216e1a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.978718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011708/publication.txt
observed 5f608c70369af9678e709560281a8831...
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.