Pith Number

pith:FBBCYGQA

pith:2014:FBBCYGQAS5BRZP2J2YYS2R7UOL

not attested not anchored not stored refs pending

Ab-initio theory of Iron based superconductors

A. Ernst, A. Sanna, E.K.U. Gross, F. Essenberger, L. Sandratskii, P. Buczek

arxiv:1411.2121 v1 · 2014-11-08 · 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{FBBCYGQAS5BRZP2J2YYS2R7UOL}

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	2026-05-18T02:38:08.579353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28422c1a0097431cbf49d6312d47f472e948dd0ec9a23a40b4810f2227a2707e

Aliases

arxiv: 1411.2121 · arxiv_version: 1411.2121v1 · doi: 10.48550/arxiv.1411.2121 · pith_short_12: FBBCYGQAS5BR · pith_short_16: FBBCYGQAS5BRZP2J · pith_short_8: FBBCYGQA

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/FBBCYGQAS5BRZP2J2YYS2R7UOL \
  | 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: 28422c1a0097431cbf49d6312d47f472e948dd0ec9a23a40b4810f2227a2707e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b5cb5525da6e140fff214a9282174c2ecf4152c8e26841880cf435eda018583",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-11-08T14:56:28Z",
    "title_canon_sha256": "0de9b9c78a6b3b0e3c297bf4310ea638f98992ea0a04b7904bafb2fd64ce36f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2121",
    "kind": "arxiv",
    "version": 1
  }
}