OpenTechnical

OT-2026-000027652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000027652) never changes.

Identity and time

Publication numberOT-2026-000027652 · never reused
Internal UUID01a0ae72-6999-737a-933f-58febba4d45a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027652
StatusPUBLIC

Content hashes

Canonical text715cc6c3235eae89319a118f070a5d2cd98963f852213d30114106e38ce6f0f9
Markdown5769b6024faec83b5b778385e70eaf5cf98766255fef58b58d3f3b57df7c7a7e
PDF
Publication pageae1fd0e5f59f278ded8157bea28467995e579ca43cc895c7b7e2e6503759a680
Manifesta3bad52cc4e34bdee0471f85f02f3cd92b6a1ed211d8e958cb3bd4369af20c0b

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
SignaturesbGty8C9dchEyCn/NdODh9n7Njj8hM+n8DIpBA4F1zly9jEwn1CCFX3B0BjAYwTq/fKaeRPixJB27KvcLKvODQ==
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

2026-09-17T11:43:10.833022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027652
observed ae1fd0e5f59f278ded8157bea2846799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.811586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027652/manifest.json
observed a3bad52cc4e34bdee0471f85f02f3cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.786434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027652/publication.md
observed 5769b6024faec83b5b778385e70eaf5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.764442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027652/publication.txt
observed 715cc6c3235eae89319a118f070a5d2c...
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.