OpenTechnical

OT-2026-000045947

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045947) never changes.

Identity and time

Publication numberOT-2026-000045947 · never reused
Internal UUID01a0ae7d-8f89-752d-85a8-f5e7cc8e5797 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045947
StatusPUBLIC

Content hashes

Canonical textacd86d1a79461c7ab60488f08d13914e46d220e36f32703b4de1e68cdaa7bdcb
Markdown66b4d6a7bf32f59916051c752cd104ef3e64bc3856c4dabb37cb78eafc75ea38
PDF
Publication page798041bf96c9916c949fce7324707c1b7ada54e0ea180849313022a1257eb45d
Manifest1dcd3b315bb96bb9f4842ce9f889d6ba495ab2c0678c1736200da9f62bd55fae

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
SignatureNnaAtUhNkRWXD/jY3Rz08yY1s/DvlfERdHAa7fkb8Cg71vHYa7viSqqFFhqXc2t2FmBAgurVG86eZyHtW6f0BA==
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

2026-09-17T11:09:51.639818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045947
observed 798041bf96c9916c949fce7324707c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.619894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045947/manifest.json
observed 1dcd3b315bb96bb9f4842ce9f889d6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.598175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045947/publication.md
observed 66b4d6a7bf32f59916051c752cd104ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.578265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045947/publication.txt
observed acd86d1a79461c7ab60488f08d13914e...
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.