OpenTechnical

OT-2026-000018210

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000018210) never changes.

Identity and time

Publication numberOT-2026-000018210 · never reused
Internal UUID01a0ae6e-b488-7701-9c15-468e3de114d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018210
StatusPUBLIC

Content hashes

Canonical textfa60332371096df1bb8abc38f047b255fb2c0b3a3d78fce2e5c30b388c085a7d
Markdown19001757a4a9e32c3846a7c239f79f25b52a65e48412fc6b18aaf45f2f2801bc
PDF
Publication page89ede43b85b03f8593eb80b482f8cb009354fb884fbb0654198dba9b188ba6fb
Manifestbbd462356fc72f1f38f64bac1839c370831535f1a7c03c6a989448cf89c7678f

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
SignaturectElUtzHHFHh9EebYiM5zw5DD9GMR1fgB1xORNJARuUV59+JjfLubtAmLsY2Y/ml8UZAId3pEL795mTyXYacDg==
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

2026-09-17T11:59:59.745211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018210
observed 89ede43b85b03f8593eb80b482f8cb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.725805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018210/manifest.json
observed bbd462356fc72f1f38f64bac1839c370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.708149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018210/publication.md
observed 19001757a4a9e32c3846a7c239f79f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.689873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018210/publication.txt
observed fa60332371096df1bb8abc38f047b255...
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.