Pith Number

pith:Q4PPEB3I

pith:2009:Q4PPEB3IDS5ZXLEEBVXP7KOHMO

not attested not anchored not stored refs pending

Evidence of spin-density-wave order in RFeAsO from measurements of thermoelectric power

J. Karpinski, M. Matusiak, N.D. Zhigadlo, T. Plackowski, Z. Bukowski

arxiv:0901.2472 v2 · 2009-01-16 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4PPEB3IDS5ZXLEEBVXP7KOHMO}

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	2026-05-18T02:14:57.200623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871ef207681cbb9bac840d6effa9c763af2775a051948f74ddee47b3dd6f3862

Aliases

arxiv: 0901.2472 · arxiv_version: 0901.2472v2 · doi: 10.48550/arxiv.0901.2472 · pith_short_12: Q4PPEB3IDS5Z · pith_short_16: Q4PPEB3IDS5ZXLEE · pith_short_8: Q4PPEB3I

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/Q4PPEB3IDS5ZXLEEBVXP7KOHMO \
  | 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: 871ef207681cbb9bac840d6effa9c763af2775a051948f74ddee47b3dd6f3862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f94bdc7daf1f77035ca89a00bbce0248354add686619b5a8165ee192db012d",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-01-16T12:44:17Z",
    "title_canon_sha256": "434bb21a660bc38c34ca7d771b17bab8bb0dbd4c7e0a3ce79e652ec4319e9134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2472",
    "kind": "arxiv",
    "version": 2
  }
}