Pith Number

pith:Y2Q7H37E

pith:2012:Y2Q7H37EUL3LAEZND6EZAFWIMJ

not attested not anchored not stored refs pending

From magnetic and Kondo-compensated states to unconventional superconductivity in heavy fermions: a unified approach

J. Kaczmarczyk, J. Spa{\l}ek, O. Howczak

arxiv:1209.0621 v1 · 2012-09-04 · cond-mat.str-el · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2Q7H37EUL3LAEZND6EZAFWIMJ}

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	2026-05-18T03:46:17.644411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a1f3efe4a2f6b0132d1f899016c8625ac33922cb00c3051dfd488136386662

Aliases

arxiv: 1209.0621 · arxiv_version: 1209.0621v1 · doi: 10.48550/arxiv.1209.0621 · pith_short_12: Y2Q7H37EUL3L · pith_short_16: Y2Q7H37EUL3LAEZN · pith_short_8: Y2Q7H37E

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/Y2Q7H37EUL3LAEZND6EZAFWIMJ \
  | 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: c6a1f3efe4a2f6b0132d1f899016c8625ac33922cb00c3051dfd488136386662

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31995335eeae6ebc0fbc97b23a8a39ea468239be56505abae18f42668b41d40",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-09-04T12:03:21Z",
    "title_canon_sha256": "5a7ed3de8cbc1869a99fc31c9a498ae0c1e2aab5ab8f787caab5a22572211ccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0621",
    "kind": "arxiv",
    "version": 1
  }
}