OpenTechnical

OT-2026-000019666

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000019666) never changes.

Identity and time

Publication numberOT-2026-000019666 · never reused
Internal UUID01a0ae6f-1fb3-7ad7-96d4-b4ea3aa9ac7f · 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-2026-000019666
StatusPUBLIC

Content hashes

Canonical text5a8f72e3f38b22beb32503e5060e8d824365c761c25621d923a2514db2c89bc2
Markdown310583da407925465271f2862110e5225da8aac0b419afd6233da81468e47c13
PDF
Publication pageead122fc8a55eb15af800f3fdfd8dd4e978e06d9299fa8763f948e7e1220db8e
Manifestaf4103b5e93a5fb9f1550ecf419fd8140a9d1ab908cc227527f694e02f21706b

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
SignatureCcC4HbMXqihyjvCW8E70B6XVFfNTsu+93MPldhz9ADtD81h1YL3Mue3NuY7Lm9PIkapzQJFYvCx2Af7RRWvEBA==
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

2026-09-17T11:57:44.028079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019666
observed ead122fc8a55eb15af800f3fdfd8dd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.010610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019666/manifest.json
observed af4103b5e93a5fb9f1550ecf419fd814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.992769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019666/publication.md
observed 310583da407925465271f2862110e522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.973997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019666/publication.txt
observed 5a8f72e3f38b22beb32503e5060e8d82...
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.