OpenTechnical

OT-2026-000073554

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073554) never changes.

Identity and time

Publication numberOT-2026-000073554 · never reused
Internal UUID01a0ae92-efb9-715b-8653-02e2bc81a31c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073554
StatusPUBLIC

Content hashes

Canonical text25f62094d5d2f7dd095fc978f70e6afc7a26c06487d6e50d1fb0b110681db08f
Markdown60ddc86a4760dacc66fd0ec8215b78631c2cf856ae9de987d2d38fb91e651227
PDF
Publication page7b0c13904182691615cdeda7ad409db04cef3e5c08f824b883c968bbbf7ffe53
Manifest4357efaa7aba593017f2d8b5ff8ed1ef74b69ff572f4d52e1ce66bfbad837328

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
SignatureUvB3zmr1Ro7T2+Wl5Re+ZLvlZU9iipU/nUiLVQ0C4aBxnDLbMZL/qUnkTmdXXVv8fIO/d5L9Cqu/YQnWRQh8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:43.606302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073554
observed 7b0c13904182691615cdeda7ad409db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.588058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073554/manifest.json
observed 4357efaa7aba593017f2d8b5ff8ed1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.572221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073554/publication.md
observed 60ddc86a4760dacc66fd0ec8215b7863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.555981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073554/publication.txt
observed 25f62094d5d2f7dd095fc978f70e6afc...
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.