OpenTechnical

OT-2026-000019253

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019253) never changes.

Identity and time

Publication numberOT-2026-000019253 · never reused
Internal UUID01a0ae6e-f392-78da-b192-2fb83a6facd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019253
StatusPUBLIC

Content hashes

Canonical text6f33ed9c1ed5e47f8792679b21759554355ba435a69f2c255d45849bc6279ccd
Markdown9a77e827ba115ea87d085868691b78b0b85a5df07741e8a8574281d462c793a7
PDF
Publication page5a804a79a68159bb501217a92884ea3e30125363090722c832c8c066bd11f699
Manifestc5f20fa5ffc5378ee7b2412f1a565a41aa581ab014bd79e1fd154ea9ac2202e0

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
SignatureNZyeSp5gexnHaymybUjdIkMa3qPtpxyx9QbX/KWh2jemMR+eNpA54BTV//OZ0duHtT70Oy8ujaHclxwC+jUqDw==
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

2026-09-17T11:58:35.691989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019253
observed 5a804a79a68159bb501217a92884ea3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.673750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019253/manifest.json
observed c5f20fa5ffc5378ee7b2412f1a565a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.656712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019253/publication.md
observed 9a77e827ba115ea87d085868691b78b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.637389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019253/publication.txt
observed 6f33ed9c1ed5e47f8792679b21759554...
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.