OpenTechnical

OT-2026-000019929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000019929) never changes.

Identity and time

Publication numberOT-2026-000019929 · never reused
Internal UUID01a0ae6f-1fb7-73cb-a98f-d2ae04c8a9dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019929
StatusPUBLIC

Content hashes

Canonical text82de91a819e204c1715eb70924281ed62eb1802e44efe3469338136e304ee2e3
Markdown02c4c83f2c37eca72abffd67d9f9fd62d433d86662c14eecb227574880ec780f
PDF
Publication page44db0b1c3767016bed5f3a2f281cb30f682f4404d257f3c9a7984be49e562121
Manifest8703d329d3c785e0b53001da0ebd637fc34b776b557041551514b65345e6dae7

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
SignaturenfmfOCSmJZWK92zCAqTybpJ9G8twp1AvGa9TFGW9UuzXogjwCCBhsCAzES61T5i48mqDDTexSjOVxvrnK2nUBA==
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

2026-09-17T11:58:09.023555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019929
observed 44db0b1c3767016bed5f3a2f281cb30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.003612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019929/manifest.json
observed 8703d329d3c785e0b53001da0ebd637f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.985827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019929/publication.md
observed 02c4c83f2c37eca72abffd67d9f9fd62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.967032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019929/publication.txt
observed 82de91a819e204c1715eb70924281ed6...
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.