OpenTechnical

OT-2026-000056830

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000056830) never changes.

Identity and time

Publication numberOT-2026-000056830 · never reused
Internal UUID01a0ae87-7af8-7b36-b545-400df1c6d3a1 · 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-2026-000056830
StatusPUBLIC

Content hashes

Canonical text0d325f8a30cf1a559d835f826f10f6c692b9a046e92afa00b5313daae3229c6c
Markdown03ef1dc910dce74dfba7d56fb36a135655643ff69772a746116cfb522080f0de
PDF
Publication page4b4445964cbf0d28d08cd2da8913366c6ab1776df89d34437ff582c0716d6edc
Manifest0bcbf34c50b8e37ada1ecf973ecb3a7dcc69bc3e360cf1326e067b832df3cb6d

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
SignaturewI2v55GmI498SfvR7SYyvwue5uDjxxJqh+Y3a/b378fcjYcLiDve/6pVwR+tjTZ6Gx7BOOz57zsuFPdPxdOxDA==
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

2026-09-17T10:50:19.426435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056830
observed 4b4445964cbf0d28d08cd2da8913366c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.407807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056830/manifest.json
observed 0bcbf34c50b8e37ada1ecf973ecb3a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.390190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056830/publication.md
observed 03ef1dc910dce74dfba7d56fb36a1356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.368642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056830/publication.txt
observed 0d325f8a30cf1a559d835f826f10f6c6...
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.