OpenTechnical

OT-2026-000072926

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000072926) never changes.

Identity and time

Publication numberOT-2026-000072926 · never reused
Internal UUID01a0ae92-c814-765e-9c3b-8384d6f20d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072926
StatusPUBLIC

Content hashes

Canonical text65b49cdcf0377c6e733ccb335cfb79ad339c3775991695fc0402713a269bae79
Markdownfa1b8d2e1c7035cd7a09624ebda3c66e5503587bba5e426758d7f5da6f7e9aa7
PDF
Publication page82301eac0785d0e4fd23cd83f4472b3dfff6c9c7acfc241d8bddcb23655b1dbf
Manifest3a05e47097ccafed10d0f0280f8e0ae919858ec35597534cf8f214099c6cd081

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
SignatureKjIGi2mw85tJf5UYJU/H0RGoSc0aPe8JvXYb+qfp2k/KTmjZ+qIio7Pvmi6y2OcQO6XB3DgAf5tRh/9PsXN8BA==
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

2026-09-17T10:21:50.472663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072926
observed 82301eac0785d0e4fd23cd83f4472b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:50.455736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072926/manifest.json
observed 3a05e47097ccafed10d0f0280f8e0ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:50.437220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072926/publication.md
observed fa1b8d2e1c7035cd7a09624ebda3c66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:50.419630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072926/publication.txt
observed 65b49cdcf0377c6e733ccb335cfb79ad...
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.