OpenTechnical

OT-2026-000029088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000029088) never changes.

Identity and time

Publication numberOT-2026-000029088 · never reused
Internal UUID01a0ae73-2a9f-7fa5-92d4-aa834b524820 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029088
StatusPUBLIC

Content hashes

Canonical texte4617b058a292533bf052fde8b3b0ce50b688f6ed2fa2777f2e5b6c71f7b3e20
Markdown94d6859cd14dd2969e89e95dfe2d7cc45cc51b716bde082178b2209935addb18
PDF
Publication page83365fd3c41c3677627bbc7079f6684d7a0b77ee027d0ba5fb285be9bfcaabfe
Manifest5574b3fe54a6907721d41774a620f568dacc99bd0e3abd4727cbf35b724ee374

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
SignatureQ/KO/QJXrzUx28JeuZeaEdWbz+FMkEkXK8DsUnGIuvAHrZnA0AIawN+hNroMfJZ/vzKZYXfRDNJ49MqpLjA1DQ==
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

2026-09-17T08:20:42.298471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029088
observed 83365fd3c41c3677627bbc7079f6684d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:42.281312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029088/manifest.json
observed 5574b3fe54a6907721d41774a620f568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:42.263785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029088/publication.md
observed 94d6859cd14dd2969e89e95dfe2d7cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:42.209712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029088/publication.txt
observed e4617b058a292533bf052fde8b3b0ce5...
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.