Pith Number

pith:I52U2NRV

pith:2007:I52U2NRVNCWBQYWJLLRIL4XBIM

not attested not anchored not stored refs pending

Relativistic nature of a magnetoelectric modulus of Cr_2O_3-crystals: a new 4-dimensional pseudoscalar and its measurement

Friedrich W. Hehl, Hans Schmid, Jean-Pierre Rivera, Yuri N. Obukhov

arxiv:0707.4407 v1 · 2007-07-30 · cond-mat.other · cond-mat.mes-hall · 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{I52U2NRVNCWBQYWJLLRIL4XBIM}

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

Crystallography, Lorentz violation, and the Standard-Model Extension

Receipt and verification

First computed	2026-05-18T04:13:57.427164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47754d363568ac1862c95ae285f2e1433397ed8adc34550aa40c465e850af577

Aliases

arxiv: 0707.4407 · arxiv_version: 0707.4407v1 · doi: 10.48550/arxiv.0707.4407 · pith_short_12: I52U2NRVNCWB · pith_short_16: I52U2NRVNCWBQYWJ · pith_short_8: I52U2NRV

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/I52U2NRVNCWBQYWJLLRIL4XBIM \
  | 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: 47754d363568ac1862c95ae285f2e1433397ed8adc34550aa40c465e850af577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43092379dd26191977ea6686fdecae357db13d8265a9ae08744acdc0edbca802",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2007-07-30T13:12:24Z",
    "title_canon_sha256": "e8d51f819ea41b67ef05aee6bb6af66d257468e4e2fbf309977aa3b3f01d6bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.4407",
    "kind": "arxiv",
    "version": 1
  }
}