Pith Number

pith:66FGGIX7

pith:2004:66FGGIX7HUMFM37FKGJYJ7E5K3

not attested not anchored not stored refs pending

From Kondo Effect to Fermi Liquid

Hiroshi Kontani, Kosaku Yamada

arxiv:cond-mat/0409565 v1 · 2004-09-22 · 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{66FGGIX7HUMFM37FKGJYJ7E5K3}

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	2026-07-04T16:47:05.047606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78a6322ff3d18566fe5519384fc9d56c328fda9192ff06e3d91e02770815cb0

Aliases

arxiv: cond-mat/0409565 · arxiv_version: cond-mat/0409565v1 · doi: 10.48550/arxiv.cond-mat/0409565 · pith_short_12: 66FGGIX7HUMF · pith_short_16: 66FGGIX7HUMFM37F · pith_short_8: 66FGGIX7

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/66FGGIX7HUMFM37FKGJYJ7E5K3 \
  | 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: f78a6322ff3d18566fe5519384fc9d56c328fda9192ff06e3d91e02770815cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf2682b4fe1aa14535045c67d87c3b01497755806f36b519cb9e10abb00ad9a4",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2004-09-22T07:04:02Z",
    "title_canon_sha256": "4326102e4d34f1113d5d2dd29994d3135f4869f550a5ba3855519c30d5b0c248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0409565",
    "kind": "arxiv",
    "version": 1
  }
}