OpenTechnical

OT-2026-000063157

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000063157) never changes.

Identity and time

Publication numberOT-2026-000063157 · never reused
Internal UUID01a0ae8c-94aa-7f73-842c-768b289a7b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063157
StatusPUBLIC

Content hashes

Canonical text514ee668238e9121fe5175b37c13cc6bfe30cad2f0f59c401c03cbf3f9737a87
Markdown4d2096809cc6aac40a7be63329576a4eb67822279bfb33fe2da61b22291baa1c
PDF
Publication page3a989f1c4948de35425c2ef14521521c5b0462749534cc974305fcd0798c10e2
Manifestdd830a54e9d1243d11024665e5e1e4b152e87ed05237896516596db5d359d4ae

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
SignatureDlj2fK8P/04XJM444KMHVpsSjR+LmpajfH9JH0s3+KbCKz54w46OKfgb4FhrtFhQkgWolbZsKPauGCWYGu/hAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:56.707217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063157
observed 3a989f1c4948de35425c2ef14521521c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.688713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063157/manifest.json
observed dd830a54e9d1243d11024665e5e1e4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.673397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063157/publication.md
observed 4d2096809cc6aac40a7be63329576a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.655793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063157/publication.txt
observed 514ee668238e9121fe5175b37c13cc6b...
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.