OpenTechnical

OT-2026-000031756

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000031756) never changes.

Identity and time

Publication numberOT-2026-000031756 · never reused
Internal UUID01a0ae74-bad0-7b45-a0df-c596081e1f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031756
StatusPUBLIC

Content hashes

Canonical textc94accc906de4abff59ae3dc7f46cafd0cd8a283deabf949bbe594f734b0e113
Markdown09510c4d619ccd6f081456f6caf8ccf712ccdcdbd99e3a97f2af4aed1a673668
PDF
Publication page26f37d3d0f26533ed685595791e807bfd0d9e08d1a18d0056128ece29aeb10bb
Manifest793df381c718b514e20cb354be0788aaeeab907546660cc274d1832b7b73efc5

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
SignatureAUMIbAMref2Q9w7QoWge0ydRs4N9aQ9nOA+Vf1S4LTyv0dw+ECnvcJ78tXx5MTGqVMyy3LYyShRRaItdK3ExDw==
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

2026-09-17T11:34:52.601639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031756
observed 26f37d3d0f26533ed685595791e807bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.585720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031756/manifest.json
observed 793df381c718b514e20cb354be0788aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.568333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031756/publication.md
observed 09510c4d619ccd6f081456f6caf8ccf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.550079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031756/publication.txt
observed c94accc906de4abff59ae3dc7f46cafd...
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.