OpenTechnical

OT-2026-000040812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000040812) never changes.

Identity and time

Publication numberOT-2026-000040812 · never reused
Internal UUID01a0ae79-6d10-7313-b94f-9b7ff1cde3e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040812
StatusPUBLIC

Content hashes

Canonical text36ba96402f21c6d98492afe439df7d6250ec56c97c61e3e364198dec18d343b9
Markdown63574fee8ea3d9ca93fa86d744a1e5cc091e6d6c9649fbe2a9ac6561396d4746
PDF
Publication page10d74e2a2297bc0857ba6fbad0440c6aa1a249ead169097a63c0c66505ff2435
Manifeste5c172142ee62c5f2a9d0928e9d85cad0da6fa1bcb7c61f3e9163a2d17ab211f

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
Signature64KQm35Motn3psyASgPcM1JS0U8rODnAN52KXEaTmm5Cg3CNDzpD6Z1kli2TVYH4aBfsha/jAtcRWq2ZjvkVCg==
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

2026-09-17T11:20:09.282621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812
observed 10d74e2a2297bc0857ba6fbad0440c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.262683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812/manifest.json
observed e5c172142ee62c5f2a9d0928e9d85cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.245964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812/publication.md
observed 63574fee8ea3d9ca93fa86d744a1e5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.227188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812/publication.txt
observed 36ba96402f21c6d98492afe439df7d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.240070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812
observed 10d74e2a2297bc0857ba6fbad0440c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.222547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812/manifest.json
observed e5c172142ee62c5f2a9d0928e9d85cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.206436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812/publication.md
observed 63574fee8ea3d9ca93fa86d744a1e5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.189434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040812/publication.txt
observed 36ba96402f21c6d98492afe439df7d62...
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.