OpenTechnical

OT-2026-000038564

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038564) never changes.

Identity and time

Publication numberOT-2026-000038564 · never reused
Internal UUID01a0ae78-2d54-7b9f-a723-c053a8550cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038564
StatusPUBLIC

Content hashes

Canonical text703713c7fe3063f04d7ab1ac070be3c4200d7add2a19be861a517a170e2a0c1f
Markdown867cf7f90097a5222cc908f53e99b6c3b9ed0c09ce74d678cfee6729b5637a53
PDF
Publication pagec7473e56533952460b2d611c5b519f26c524ca8010117f1a399e2039d8de8a8d
Manifest3b9a0dba5e0da730c86214a037aca8679f925bda1eab3c1c043b4155e6cd70d0

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
Signature7FkmHOgCwuKvit2mFouecfQ0D1sSyo/vJzm3kb/BFmaNeA76lBGqOYnKhLb5Vu8Mg4VCDk3xwVR2hi36ZXlABA==
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

2026-09-17T11:22:49.900666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038564
observed c7473e56533952460b2d611c5b519f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.883171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038564/manifest.json
observed 3b9a0dba5e0da730c86214a037aca867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.863484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038564/publication.md
observed 867cf7f90097a5222cc908f53e99b6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.844151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038564/publication.txt
observed 703713c7fe3063f04d7ab1ac070be3c4...
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.