OpenTechnical

OT-2026-000041874

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041874) never changes.

Identity and time

Publication numberOT-2026-000041874 · never reused
Internal UUID01a0ae79-e8a5-7215-9037-cfe4f2663b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041874
StatusPUBLIC

Content hashes

Canonical text7b2aa9b93e215c7c9c20f9a8da22b953bde4f1df98b2c5e7b89323d47abc63ea
Markdown173d869d65930bea3d674262b4ed88186bbd62b691a7600aee100a3af3c9e337
PDF
Publication page0faa38c478f39e2d02d9822493caa9defef68690a993627b2c0061af886e3206
Manifest3cccca1098bc58b3e3af77a759f9de8b2714842e529e0520b1c66e6549a0cdd3

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
SignaturenVdE8TcjGxWkHaozj9mXjtMq0p/CVUAhloQ2FWGnJ/iiRRRyRx4Q0obq2gzUFWSlvg1lmZ3vrQx7SyLPJ0cMCw==
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

2026-09-17T11:16:44.865939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041874
observed 0faa38c478f39e2d02d9822493caa9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.850324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041874/manifest.json
observed 3cccca1098bc58b3e3af77a759f9de8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.833703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041874/publication.md
observed 173d869d65930bea3d674262b4ed8818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.817752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041874/publication.txt
observed 7b2aa9b93e215c7c9c20f9a8da22b953...
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.