Pith Number

pith:J3H72YKD

pith:2012:J3H72YKDAUBU74VNXQFUXZFN42

not attested not anchored not stored refs pending

Pairing Symmetry in Iron-Pnictide Superconductor KFe$_2$As$_2$

C. S. Ting, Jian Li, Jian-Xin Zhu, Wei Li, Yan Chen

arxiv:1203.2581 v4 · 2012-03-12 · 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{J3H72YKDAUBU74VNXQFUXZFN42}

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	2026-05-18T02:21:17.096868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ecffd614305034ff2adbc0b4be4ade6a9fc10ae42c47fd688cc2b9645ffb296

Aliases

arxiv: 1203.2581 · arxiv_version: 1203.2581v4 · doi: 10.48550/arxiv.1203.2581 · pith_short_12: J3H72YKDAUBU · pith_short_16: J3H72YKDAUBU74VN · pith_short_8: J3H72YKD

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/J3H72YKDAUBU74VNXQFUXZFN42 \
  | 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: 4ecffd614305034ff2adbc0b4be4ade6a9fc10ae42c47fd688cc2b9645ffb296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6125163d322512d2e564115249ea81e7e4180ff2e7bb073d9e939f0779b29d8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-03-12T18:36:48Z",
    "title_canon_sha256": "efc6eaa2cc9add179797b3a6942784d55a22b59a58688d18073f64f2563fb691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2581",
    "kind": "arxiv",
    "version": 4
  }
}