OpenTechnical

OT-2026-000057146

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000057146) never changes.

Identity and time

Publication numberOT-2026-000057146 · never reused
Internal UUID01a0ae87-d5b9-7834-bb3c-496b5e502d0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057146
StatusPUBLIC

Content hashes

Canonical text78fc3bfb5b9d29ee5dc0888610999c7fca39e9bfc3f157829e17da2c2019ee56
Markdown148e0c3b744db9b4f783cbaf1f4555d4ae9adf9a8c18ff4c41e6352e98691b14
PDF
Publication page77326fef89f30da6fe4416af6a7fcdb55e2122416d828a8a778d02f96b9b28cb
Manifestf3f9022437129db7457c0786e593d00d3260ed10481ab1a95e68a07126343ae0

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
SignatureQbcLnQhmS8XkoVLoH3gJUsDtIF8Vuwz1hczEYyeYOY743RwWuTbaLW9fMZxirDD5slF6GRneGbDgzFlK1UXuDw==
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

2026-09-17T10:50:09.193493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146
observed 77326fef89f30da6fe4416af6a7fcdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.174340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146/manifest.json
observed f3f9022437129db7457c0786e593d00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.155034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146/publication.md
observed 148e0c3b744db9b4f783cbaf1f4555d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.136901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146/publication.txt
observed 78fc3bfb5b9d29ee5dc0888610999c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.538409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146
observed 77326fef89f30da6fe4416af6a7fcdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.522429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146/manifest.json
observed f3f9022437129db7457c0786e593d00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.505577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146/publication.md
observed 148e0c3b744db9b4f783cbaf1f4555d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.490530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057146/publication.txt
observed 78fc3bfb5b9d29ee5dc0888610999c7f...
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.