OpenTechnical

OT-2026-000057327

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000057327) never changes.

Identity and time

Publication numberOT-2026-000057327 · never reused
Internal UUID01a0ae87-d5bc-768d-8dd6-160ac4ff2798 · 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-2026-000057327
StatusPUBLIC

Content hashes

Canonical text600bcf0bf844d028b26d659c694f1e58f99f094a614bef9dcde6ce61dd9c91ca
Markdown7f4be80511e92fe7031311312313af2cc6e366568997129b8d28ec55359e66ac
PDF
Publication page321b89ee762ed3d7a8e80c013d791101433ca3396452382c9fb5f133dd391cb9
Manifestb1b289bd716dbc2334a294f4b76e9f312f33ecb98e2afe661e984c9583da8759

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
SignatureVC7POGJtTY6FXfVv2F47cS0c1XzgxduNozvbBU9K2QA4Wx812JlzB68kkNkVyUG4G9b8RRND+EAvMQBAu/ZiBQ==
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

2026-09-17T10:50:26.687661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327
observed 321b89ee762ed3d7a8e80c013d791101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.670206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327/manifest.json
observed b1b289bd716dbc2334a294f4b76e9f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.650613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327/publication.md
observed 7f4be80511e92fe7031311312313af2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.629874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327/publication.txt
observed 600bcf0bf844d028b26d659c694f1e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.959822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327
observed 321b89ee762ed3d7a8e80c013d791101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.940051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327/manifest.json
observed b1b289bd716dbc2334a294f4b76e9f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.919079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327/publication.md
observed 7f4be80511e92fe7031311312313af2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.899783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057327/publication.txt
observed 600bcf0bf844d028b26d659c694f1e58...
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.