OpenTechnical

OT-2026-000083570

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000083570) never changes.

Identity and time

Publication numberOT-2026-000083570 · never reused
Internal UUID01a0ae98-0415-7f54-983a-bb6cd2d7484b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083570
StatusPUBLIC

Content hashes

Canonical text6a650e453c1dfd239b0ae5824bc9cd9bab5b6f6143e5cde28053eb87fec4e0aa
Markdown81e98ba56a7bc992e5d0bc1e69260c067ea3db3d28d6453687f7cd9b6fbcc911
PDF
Publication page70162e85f4ed339ae29265b8d3d386990796c8f627473fc647a2b87ee3afabe1
Manifest05106f216cd501ff698dd81291670bfb27b7cff74f65b41bbe9791ee00a8b906

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
Signatureicp8sL1B8jdRekSK/ROvq/RRk6UTiLMGwaaL/MJw7c1PIFtXleBeRjwvfy8A+oTbKSdcY2nuepqxacCeNhfiCw==
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

2026-09-17T09:57:03.516230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083570
observed 70162e85f4ed339ae29265b8d3d38699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.500424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083570/manifest.json
observed 05106f216cd501ff698dd81291670bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.483600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083570/publication.md
observed 81e98ba56a7bc992e5d0bc1e69260c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.466892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083570/publication.txt
observed 6a650e453c1dfd239b0ae5824bc9cd9b...
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.