OpenTechnical

OT-2026-000050676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000050676) never changes.

Identity and time

Publication numberOT-2026-000050676 · never reused
Internal UUID01a0ae82-c7b0-7bc2-8e18-8dec48d40659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050676
StatusPUBLIC

Content hashes

Canonical text8dc5798a43cdedcecb5d3073430a25e1a80b63c2acbf8eee574b65177accfdf7
Markdownfb65088c713547aa3a4ee464253f764386ded0d91a1fdc47f590a402cb688da3
PDF
Publication page80c66ad533294a1c142e48c62f1c1982889edcefa6c346be37a0ef0c77d1d9f0
Manifest90f0373e4ee81ddf5bcc9bffb5f246a1da292dbfa3b59368365d56170fbe4040

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
SignaturerNRtVC+UwyA7MO62D1LJ5tbtsvHRnea1oLU4p8DvPJrLYIeBPtLcGsCdCBz7Hk9U1LI1ZpICRhTbTDMG0B8BAA==
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

2026-09-17T10:59:22.933652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050676
observed 80c66ad533294a1c142e48c62f1c1982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.913713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050676/manifest.json
observed 90f0373e4ee81ddf5bcc9bffb5f246a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.893521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050676/publication.md
observed fb65088c713547aa3a4ee464253f7643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.877040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050676/publication.txt
observed 8dc5798a43cdedcecb5d3073430a25e1...
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.