OpenTechnical

OT-2026-000047929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000047929) never changes.

Identity and time

Publication numberOT-2026-000047929 · never reused
Internal UUID01a0ae7f-c422-7724-a41a-286baea8110f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047929
StatusPUBLIC

Content hashes

Canonical textf9cc98f3d76b918dbbd6154116efc2add26e76850665b5390112cd7ca223f8db
Markdown234b00372c8f3bcf2c8167dd4a311bad6bd2831bb0bd88a1f7e6c37d74373478
PDF
Publication page1fbd783cac7457d3a78358626452451f97abcb9ac8974f29a69510e5baf1cd02
Manifest4d391bd681372b853edda1f3714f0967168d2c3d39f4e8d458a5b9d052b92ce0

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
Signature/4eWdpdNwjMkSH/jsNOvsP0th5ygc/Kn40TAJJADF7i2ANgZl5tvzYl8Kx6d/RP40VQOkB562oOMuocZ8PnVBA==
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

2026-09-17T11:05:53.289276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047929
observed 1fbd783cac7457d3a78358626452451f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.270858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047929/manifest.json
observed 4d391bd681372b853edda1f3714f0967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.250305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047929/publication.md
observed 234b00372c8f3bcf2c8167dd4a311bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.229007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047929/publication.txt
observed f9cc98f3d76b918dbbd6154116efc2ad...
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.