Pith Number

pith:NOD4IFGO

pith:2011:NOD4IFGO55TH4AIMZJVQOBFAPD

not attested not anchored not stored refs pending

Superconductivity and ferromagnetism in EuFe$_{2}$(As$_{1-x}$P$_{x}$)$_{2}$

Chunmu Feng, Guanghan Cao, Shenggao Xu, Shuai Jiang, Zhi Ren, Zhu'an Xu

arxiv:1105.3255 v1 · 2011-05-17 · 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{NOD4IFGO55TH4AIMZJVQOBFAPD}

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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	2026-05-18T02:01:57.505241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b87c414ceef667e010cca6b0704a078da1103d4073ca3e9c64196675f5b7cf2

Aliases

arxiv: 1105.3255 · arxiv_version: 1105.3255v1 · doi: 10.48550/arxiv.1105.3255 · pith_short_12: NOD4IFGO55TH · pith_short_16: NOD4IFGO55TH4AIM · pith_short_8: NOD4IFGO

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/NOD4IFGO55TH4AIMZJVQOBFAPD \
  | 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: 6b87c414ceef667e010cca6b0704a078da1103d4073ca3e9c64196675f5b7cf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc548eba6e3bc3d77f22593f0707dcfdb165a3f4a94466f330d9a3b93d80064d",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-05-17T01:39:13Z",
    "title_canon_sha256": "20e88a666c26c12b32c18e7714cca36503deba0a038bafe6245fa71a41650da6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3255",
    "kind": "arxiv",
    "version": 1
  }
}