OpenTechnical

OT-2026-000039523

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000039523) never changes.

Identity and time

Publication numberOT-2026-000039523 · never reused
Internal UUID01a0ae78-d8d3-7f0d-8757-8eb5ad71f3d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039523
StatusPUBLIC

Content hashes

Canonical textba541e31a796fd23ec4dd7041cad86b2f364d9f52442c248ff6a6636fb81c970
Markdown99c8a5a9dc681718b8cda508a8e96b808189428d46d8542577ad4b6a602801a3
PDF
Publication page74737d990b31d0c02942afdbf239c636005aeb2860b4f90072eb5ab9ccd4f9af
Manifest4db328293687ca45fbfeac8202869a12ac46400707cb3d8699702b7faeec694b

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
SignaturerF2Ntlb14kHGmxXhGW6nj/bFRhbCicsg+ok0RzTAI2ldfeRUxBtJnql3C07uSqrgB9NHfJvQOQi3jEmisvZGCQ==
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

2026-09-17T11:19:40.020929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039523
observed 74737d990b31d0c02942afdbf239c636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.001714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039523/manifest.json
observed 4db328293687ca45fbfeac8202869a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.980912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039523/publication.md
observed 99c8a5a9dc681718b8cda508a8e96b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.962553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039523/publication.txt
observed ba541e31a796fd23ec4dd7041cad86b2...
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.