Pith Number

pith:4M27NUJE

pith:2009:4M27NUJEIMHWPVCFM6G2ZMRZBU

not attested not anchored not stored refs pending

Critical change in the Fermi surface of iron arsenic superconductors at the onset of superconductivity

Aaron Bostwick, Adam Kaminski, Alexander N. Thaler, Ari D. Palczewski, Chang Liu, Eli Rotenberg, Eun Deok Mun, Joerg Schmalian, Ni Ni, Paul C. Canfield, Rafael M. Fernandes, Sergey L. Bud'ko, Takeshi Kondo

arxiv:0910.1799 v2 · 2009-10-09 · 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{4M27NUJEIMHWPVCFM6G2ZMRZBU}

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	2026-07-04T17:30:04.367808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e335f6d124430f67d445678dacb2390d29aeb745c2729f7c9ccd9a3f2fcb7d39

Aliases

arxiv: 0910.1799 · arxiv_version: 0910.1799v2 · doi: 10.48550/arxiv.0910.1799 · pith_short_12: 4M27NUJEIMHW · pith_short_16: 4M27NUJEIMHWPVCF · pith_short_8: 4M27NUJE

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/4M27NUJEIMHWPVCFM6G2ZMRZBU \
  | 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: e335f6d124430f67d445678dacb2390d29aeb745c2729f7c9ccd9a3f2fcb7d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a587010388823186590dd2446e9ceaf83f9d9e5b4d00208379b9f2ccdacc57",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-10-09T17:31:59Z",
    "title_canon_sha256": "7e1ace0abb233b9114160e099344dcc163394eabb6b4047a17082b07b0d07641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1799",
    "kind": "arxiv",
    "version": 2
  }
}