OpenTechnical

OT-2026-000052498

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000052498) never changes.

Identity and time

Publication numberOT-2026-000052498 · never reused
Internal UUID01a0ae84-573a-7a20-8b87-e85e9087c2e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052498
StatusPUBLIC

Content hashes

Canonical text9dde309699bdb40adb9e5acbeb7c6f7ca32218f71ecaa62abb334f82f0a8f9e0
Markdown40773ba41c85e8e2b287454874ff1c8abd2d5d3f754a275c31bbb678399f0824
PDF
Publication pagecbf135362be9e65813a4ff737a9da1f01190cf7d7ea7c3b27b23ee22563f5c35
Manifestc4698fd6498f48ebf41f6c8af24e036d658dd823578f6672cd629637e5c73295

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
SignatureBaGUEgo1u4d+ZlYc3O3l3uX0oC2oVSkckhXJUOSZY4h31sYKrEKOLlY3NifUiCTZocFVkQ98S8sS6NJKDsDDCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:08.135844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052498
observed cbf135362be9e65813a4ff737a9da1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:08.118592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052498/manifest.json
observed c4698fd6498f48ebf41f6c8af24e036d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:08.100352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052498/publication.md
observed 40773ba41c85e8e2b287454874ff1c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:08.081665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052498/publication.txt
observed 9dde309699bdb40adb9e5acbeb7c6f7c...
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.