OpenTechnical

OT-2026-000056870

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000056870) never changes.

Identity and time

Publication numberOT-2026-000056870 · never reused
Internal UUID01a0ae87-7af8-7b18-9639-08e597af15fe · 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-2026-000056870
StatusPUBLIC

Content hashes

Canonical text727f2c4d6c60356826d0950eade944149d895692d10b7d3d64dd94173c7d9e01
Markdownad8fb197dc80aa9e1c1c1caee1d24ca661f9962eb9d1b71b8c98dbd2e6bfd058
PDF
Publication pagec70856b03b3d693208a748e2e9189017ca8daae3bf8b51048443b56327f21cdb
Manifestbb6c9d7b6729840845a3821d903fef6778cb980ab7fcceeaf81338f3953ef4d2

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/nEaAhVD9PbgM8zdOs42jlpEPMa+S/TbpxI/W1jrwnkNhWR8TMBrDhf8RkCj+iyEQCEmMrvnmVp1Z+VWCisqDg==
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

2026-09-17T10:50:23.915972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056870
observed c70856b03b3d693208a748e2e9189017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.892374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056870/manifest.json
observed bb6c9d7b6729840845a3821d903fef67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.867750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056870/publication.md
observed ad8fb197dc80aa9e1c1c1caee1d24ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.846035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056870/publication.txt
observed 727f2c4d6c60356826d0950eade94414...
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.