OpenTechnical

OT-2026-000042859

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000042859) never changes.

Identity and time

Publication numberOT-2026-000042859 · never reused
Internal UUID01a0ae7a-c0d1-7646-94df-3dc42f5b1d72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042859
StatusPUBLIC

Content hashes

Canonical text8595bfca515f6d540a873c41c564f7b03d4fd3716f7988d7d20687a46fa9bf6e
Markdownbf687888e1843f708a26dde846ed541ef8a81e7bd4ab085910b34d680212de74
PDF
Publication page505732485ac8e02d037004c5706995ada22092bbc0fc67571272f2a1a12efdb6
Manifest2119be17ee3ab3cb4e8bbbadd8f67f19a3aca306499424eadf4021c55bd79237

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
SignatureWonXg+qixvpsskmXKCB6PXznSj5YEhFGwvP8oIo0xujF5LfG/3wTGbo0NClmTupBAjPVkWvcZTgka6t8fetEBA==
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

2026-09-17T11:15:21.109737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042859
observed 505732485ac8e02d037004c5706995ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.091859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042859/manifest.json
observed 2119be17ee3ab3cb4e8bbbadd8f67f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.073549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042859/publication.md
observed bf687888e1843f708a26dde846ed541e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.053332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042859/publication.txt
observed 8595bfca515f6d540a873c41c564f7b0...
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.