Pith Number

pith:2VGQZEXB

pith:2019:2VGQZEXBMQRNGK6ZGIK7TBFVRU

not attested not anchored not stored refs pending

Connection between the winding number and the Chern number

Chia-Hsun Chang, Han-Ting Chen, Hsien-chung Kao

arxiv:1908.06700 v2 · 2019-08-19 · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VGQZEXBMQRNGK6ZGIK7TBFVRU}

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	2026-07-05T02:02:50.885156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54d0c92e16422d32bd93215f984b58d1d301c286afea307acbfe0e7deab7992

Aliases

arxiv: 1908.06700 · arxiv_version: 1908.06700v2 · doi: 10.48550/arxiv.1908.06700 · pith_short_12: 2VGQZEXBMQRN · pith_short_16: 2VGQZEXBMQRNGK6Z · pith_short_8: 2VGQZEXB

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/2VGQZEXBMQRNGK6ZGIK7TBFVRU \
  | 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: d54d0c92e16422d32bd93215f984b58d1d301c286afea307acbfe0e7deab7992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b790f00f6e0ea01a7875d62ea47a2345fdc299a6e45e3f53e691ad4015dda6a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-08-19T11:17:58Z",
    "title_canon_sha256": "aa79dd4a2e70c643f18ccb225cffc3d676a938f3b1fb713c016bd8b84401e8a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06700",
    "kind": "arxiv",
    "version": 2
  }
}