Pith Number

pith:QQN5FMRU

pith:2006:QQN5FMRU2WF65UOY55BF7T53PR

not attested not anchored not stored refs pending

The rotation of magnetic field does not impact vacuum birefringence

Kirill Melnikov, Sandip Biswas

arxiv:hep-ph/0611345 v1 · 2006-11-28 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQN5FMRU2WF65UOY55BF7T53PR}

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	2026-07-04T15:18:51.526382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841bd2b234d58beed1d8ef425fcfbb7c6a22a89e1c7b5c2b09eb9b760df06299

Aliases

arxiv: hep-ph/0611345 · arxiv_version: hep-ph/0611345v1 · doi: 10.48550/arxiv.hep-ph/0611345 · pith_short_12: QQN5FMRU2WF6 · pith_short_16: QQN5FMRU2WF65UOY · pith_short_8: QQN5FMRU

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/QQN5FMRU2WF65UOY55BF7T53PR \
  | 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: 841bd2b234d58beed1d8ef425fcfbb7c6a22a89e1c7b5c2b09eb9b760df06299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de12cbb3ceffdbd2d5326c055fa12d6d7a447933e46b11801e8bbf4a32c739da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2006-11-28T03:19:03Z",
    "title_canon_sha256": "9a7b66d99dce63e32d0f0fe61e32503d5cf2f038253746d4e561042adedbdbbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0611345",
    "kind": "arxiv",
    "version": 1
  }
}