OpenTechnical

OT-2026-000056578

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000056578) never changes.

Identity and time

Publication numberOT-2026-000056578 · never reused
Internal UUID01a0ae87-7af5-71cd-82b1-af1c30be1895 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056578
StatusPUBLIC

Content hashes

Canonical textb5a2b761ddd6851c0854adb1e48663fd06a37ac691dfb58ee16004a4cb8b8921
Markdowncfc260cb88b912f9c76c3b1d1a2bed7bfc22763ef08865fa12875ec87ec8eb3d
PDF
Publication page374ad8419b2dd5b2369194f638015197e68b2bccb41f1011b4e78c370b143d3b
Manifestb90c211a14781724435f35f7afe31e603922c9bdf3bdf084702b4f5f5b402d4d

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
Signature+k5TkOeVYZME9wDGGLMBAfCztaF10FYPf3RHt17AGSv9iCqELcOK12Nr64l9hj2kb9mZk2ck1XWEIRiOOKP0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:55.191253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056578
observed 374ad8419b2dd5b2369194f638015197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.170406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056578/manifest.json
observed b90c211a14781724435f35f7afe31e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.149629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056578/publication.md
observed cfc260cb88b912f9c76c3b1d1a2bed7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.129179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056578/publication.txt
observed b5a2b761ddd6851c0854adb1e48663fd...
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.