OpenTechnical

OT-2026-000061038

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061038) never changes.

Identity and time

Publication numberOT-2026-000061038 · never reused
Internal UUID01a0ae8b-137d-77b8-b7b8-63d88c22e992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061038
StatusPUBLIC

Content hashes

Canonical text132c02522556531152bfa8994e4e10a132d4a0e72fcdd53d73ba503c7d1a6978
Markdown60f4e2efbc4b893ceacc71f0f592d835affcad02d7be08691c827dcaf4fcd51c
PDF
Publication page61f64726f2939a032f3feed9d28addeba128af01425adc55826f80ce43d3b498
Manifest65e88c32d3d90fe29d76591d57ba38b25ed4678c8d1de0a3341aaa288e33cca6

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
SignatureKwB0ke4chH9TLdvJgWQpopiXutBiQgTl1Yevz8+r1HsQR1UeCZNrgTJSiCeEsLMAZwG4Cnc1SGN9++0HRGazDw==
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...

Independent retrieval

2026-09-17T10:42:23.315167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061038
observed 61f64726f2939a032f3feed9d28addeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.298255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061038/manifest.json
observed 65e88c32d3d90fe29d76591d57ba38b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.282114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061038/publication.md
observed 60f4e2efbc4b893ceacc71f0f592d835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.264910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061038/publication.txt
observed 132c02522556531152bfa8994e4e10a1...
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.