OpenTechnical

OT-2026-000040412

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000040412) never changes.

Identity and time

Publication numberOT-2026-000040412 · never reused
Internal UUID01a0ae79-2701-72b9-b29a-ef1619350cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040412
StatusPUBLIC

Content hashes

Canonical textee8c94998a31ba2c75a61409b0c32c3c38b0a7409f5c3dcc720ed7c5a3a3608c
Markdowndcd9bed997ca5a7b4aa9cfde6b045b877e298890d818303399ac7d393e39a1b2
PDF
Publication pagecc859175f5c2f93875b0a3e9b753e32874bc017ad8db63a0247007354f14fe0c
Manifest04a0b573531bd5170c9c5e1e5e4b6eaf90d55dfb35e79425e0db3ef85f4909e8

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
Signature3Y7ratYdf0XtL7YY9DsTXsgTRCpdeC4UKaYITwzLdgKM9ANVpMD6cySQCL8ux79XNvYUidc1Q77rHJPmTs/jCA==
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

2026-09-17T11:19:26.898896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040412
observed cc859175f5c2f93875b0a3e9b753e328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.882242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040412/manifest.json
observed 04a0b573531bd5170c9c5e1e5e4b6eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.863547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040412/publication.md
observed dcd9bed997ca5a7b4aa9cfde6b045b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.845504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040412/publication.txt
observed ee8c94998a31ba2c75a61409b0c32c3c...
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.