Pith Number

pith:DAVSQVTG

pith:2009:DAVSQVTGPWCX4A3J3REXGKGLWY

not attested not anchored not stored refs pending

Quantum criticality and nodal superconductivity in the FeAs-based superconductor KFe2As2

H. Zhang, J. K. Dong, S. Y. Li, S. Y. Zhou, T. Y. Guan, X. F. Wang, X. H. Chen, X. Qiu, Y. F. Dai, Y. He

arxiv:0910.2806 v2 · 2009-10-15 · 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{DAVSQVTGPWCX4A3J3REXGKGLWY}

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	2026-05-18T03:23:57.238570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182b2856667d857e0369dc497328cbb61c6e663f74c17d05ed7240a0fd5a2304

Aliases

arxiv: 0910.2806 · arxiv_version: 0910.2806v2 · doi: 10.48550/arxiv.0910.2806 · pith_short_12: DAVSQVTGPWCX · pith_short_16: DAVSQVTGPWCX4A3J · pith_short_8: DAVSQVTG

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/DAVSQVTGPWCX4A3J3REXGKGLWY \
  | 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: 182b2856667d857e0369dc497328cbb61c6e663f74c17d05ed7240a0fd5a2304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514fe637a489af5c2f74acbcb135c17430ca7ae1e88e99d1ba1fa4f4863fa520",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-10-15T08:28:35Z",
    "title_canon_sha256": "7b820ff666ac5f2a5fe85c270d49d1d9a26c3555c410ea4a99bfa27da3cc02e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2806",
    "kind": "arxiv",
    "version": 2
  }
}