Pith Number

pith:7VUQZLHC

pith:2013:7VUQZLHC6ITFQU3ZYIFUBFVBIL

not attested not anchored not stored refs pending

A concentrator for static magnetic field

F. Sun, S. He

arxiv:1302.0149 v2 · 2013-02-01 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VUQZLHC6ITFQU3ZYIFUBFVBIL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:12:33.077533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd690cace2f226585379c20b4096a142eed04335d6db9c8bd3fe21bfa5319186

Aliases

arxiv: 1302.0149 · arxiv_version: 1302.0149v2 · doi: 10.48550/arxiv.1302.0149 · pith_short_12: 7VUQZLHC6ITF · pith_short_16: 7VUQZLHC6ITFQU3Z · pith_short_8: 7VUQZLHC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7VUQZLHC6ITFQU3ZYIFUBFVBIL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fd690cace2f226585379c20b4096a142eed04335d6db9c8bd3fe21bfa5319186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf82581027162a43a1275813e9bf597977212011c78428c30c08b3fd1783d954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-02-01T11:31:44Z",
    "title_canon_sha256": "18503b7e78fdecf3f4acda648befdf526b13d355d9bdadd137c0976a6b023f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0149",
    "kind": "arxiv",
    "version": 2
  }
}