OpenTechnical

OT-2026-000047089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000047089) never changes.

Identity and time

Publication numberOT-2026-000047089 · never reused
Internal UUID01a0ae7e-d0f8-7fed-bc5a-92350058d093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047089
StatusPUBLIC

Content hashes

Canonical text1719c1158059ab531849e3fadcc10c39ca3eb121e6dda300fb7a685491f17815
Markdown61f45b985fcbd6a3fd2a184c17c71d80ace8cd98679d9a3f2f094bb10d900426
PDF
Publication pageea5b6c9cb392d34cd08819cc465f2ecb792167082595095fc8b70b75cca467f2
Manifestbc2c35656e1abc856ee87fcc2d4f707dffaeca7dd1ff38fb2d1bc07dcfd001bb

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
SignatureMMU/inVpRMqw3ATuyTlx5fqKOULixXZ+2YJQen72ey0dSVgtl77nOtf62itPJMB2FHGZ1WH9wGb8Go7/WettBw==
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

2026-09-17T11:10:24.345853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089
observed ea5b6c9cb392d34cd08819cc465f2ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.326420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089/manifest.json
observed bc2c35656e1abc856ee87fcc2d4f707d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.303835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089/publication.md
observed 61f45b985fcbd6a3fd2a184c17c71d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.282854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089/publication.txt
observed 1719c1158059ab531849e3fadcc10c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.518287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089
observed ea5b6c9cb392d34cd08819cc465f2ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.497954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089/manifest.json
observed bc2c35656e1abc856ee87fcc2d4f707d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.478954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089/publication.md
observed 61f45b985fcbd6a3fd2a184c17c71d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.459518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047089/publication.txt
observed 1719c1158059ab531849e3fadcc10c39...
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.