Pith Number

pith:KOB5NNF7

pith:2014:KOB5NNF7VNMGG7NHV6QLK6ZGBN

not attested not anchored not stored refs pending

First results from the new PVLAS apparatus: a new limit on vacuum magnetic birefringence

A. Ejlli, E. Milotti, F. Della Valle, G. Messineo, G. Ruoso, G. Zavattini, L. Piemontese, R. Pengo, U. Gastaldi

arxiv:1406.6518 v3 · 2014-06-25 · quant-ph · 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{KOB5NNF7VNMGG7NHV6QLK6ZGBN}

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.

Cited by

1 paper in Pith

Axions as Dark Matter, Dark Energy, and Dark Radiation

Receipt and verification

First computed	2026-05-18T01:42:50.503154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5383d6b4bfab58637da7afa0b57b260b72eda01fcafe7b25a410cc1300addb15

Aliases

arxiv: 1406.6518 · arxiv_version: 1406.6518v3 · doi: 10.48550/arxiv.1406.6518 · pith_short_12: KOB5NNF7VNMG · pith_short_16: KOB5NNF7VNMGG7NH · pith_short_8: KOB5NNF7

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/KOB5NNF7VNMGG7NHV6QLK6ZGBN \
  | 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: 5383d6b4bfab58637da7afa0b57b260b72eda01fcafe7b25a410cc1300addb15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8eef5fe81dac3ee14115dac08b2c1f07b7798e1750e377d9d1fd56b44d83dc1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-06-25T10:30:53Z",
    "title_canon_sha256": "5c94e1647bfe29335b9bd8b9cfa517b65aa081528cb4e1f0f476499a1f72b73d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6518",
    "kind": "arxiv",
    "version": 3
  }
}