Pith Number

pith:7MDGBA3F

pith:2009:7MDGBA3FXVSMBXK2NR27I5CLRR

not attested not anchored not stored refs pending

Anderson Impurity in Helical Metal

Fu-Chun Zhang, Jin-Hua Gao, Qiang-Hua Wang, Wei-Qiang Chen, Xiao-Yong Feng

arxiv:0910.3031 v5 · 2009-10-16 · 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{7MDGBA3FXVSMBXK2NR27I5CLRR}

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	2026-05-18T02:11:23.011769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb06608365bd64c0dd5a6c75f4744b8c734296347f48d163c2e157367e45233a

Aliases

arxiv: 0910.3031 · arxiv_version: 0910.3031v5 · doi: 10.48550/arxiv.0910.3031 · pith_short_12: 7MDGBA3FXVSM · pith_short_16: 7MDGBA3FXVSMBXK2 · pith_short_8: 7MDGBA3F

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/7MDGBA3FXVSMBXK2NR27I5CLRR \
  | 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: fb06608365bd64c0dd5a6c75f4744b8c734296347f48d163c2e157367e45233a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de5df38bbfb5b687f796b8371995d6d0d562096647ab7ec8ee34b47f9a781bed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-10-16T03:31:55Z",
    "title_canon_sha256": "940948e526dd292082e48e9858d671f6c57b07f87c160b009e6f41a3a8f2d3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3031",
    "kind": "arxiv",
    "version": 5
  }
}