OpenTechnical

OT-2026-000050833

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000050833) never changes.

Identity and time

Publication numberOT-2026-000050833 · never reused
Internal UUID01a0ae82-c7b2-71d5-9a04-e54fc32de937 · 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-2026-000050833
StatusPUBLIC

Content hashes

Canonical textd4f13530b7ebf8c1d1701cc6927f568dbb7993aa342813c3a9923a5052f31654
Markdownbf3dae7c4347795103f2d6b15e5b2b3ae756ec9f4ebf5d3ed6d19f9f4ba73e17
PDF
Publication pagef6c4ade8a650aabe796a1e296556a8e1fa1af89a89e61200b9636a3cea59d080
Manifest01f4dad79de1277885b38be7e9169991d84804b9e2bcbccfa93ab84811491a43

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
SignatureB2O97JoumdwmLgM1bwMXjhxAyItg5y7Yle/A6lBAbiWyIjQv18BlFGR+JbS3/UFqbem1+ICBfy4di2ohvFqmCw==
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

2026-09-17T11:00:23.492550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833
observed f6c4ade8a650aabe796a1e296556a8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.468944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833
observed f6c4ade8a650aabe796a1e296556a8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.468812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833/manifest.json
observed 01f4dad79de1277885b38be7e9169991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.445509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833/publication.md
observed bf3dae7c4347795103f2d6b15e5b2b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.445291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833/manifest.json
observed 01f4dad79de1277885b38be7e9169991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.424122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833/publication.txt
observed d4f13530b7ebf8c1d1701cc6927f568d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.421600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833/publication.md
observed bf3dae7c4347795103f2d6b15e5b2b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.400167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050833/publication.txt
observed d4f13530b7ebf8c1d1701cc6927f568d...
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.