Pith Number

pith:64E7KN5S

pith:2009:64E7KN5SH2FENYJIJNFSPF7WZS

not attested not anchored not stored refs pending

Possible Kondo effect in the iron arsenides

Guanghan Cao, Hai-Hu Wen, Jianhui Dai, Zhuan Xu

arxiv:0901.2787 v2 · 2009-01-19 · 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{64E7KN5SH2FENYJIJNFSPF7WZS}

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	2026-07-04T15:36:44.211879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f709f537b23e8a46e1284b4b2797f6ccb95effa7f7e6ef22a633a5addde9a4cd

Aliases

arxiv: 0901.2787 · arxiv_version: 0901.2787v2 · doi: 10.48550/arxiv.0901.2787 · pith_short_12: 64E7KN5SH2FE · pith_short_16: 64E7KN5SH2FENYJI · pith_short_8: 64E7KN5S

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/64E7KN5SH2FENYJIJNFSPF7WZS \
  | 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: f709f537b23e8a46e1284b4b2797f6ccb95effa7f7e6ef22a633a5addde9a4cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae521cd7490dc8c669484b4de5764774bd5c3be03536df6c52877082a02f2167",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-01-19T08:59:52Z",
    "title_canon_sha256": "e166e7f5b940036593804080d601277ae1ffac0c45e641078f1a56aee72f5a55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2787",
    "kind": "arxiv",
    "version": 2
  }
}