Pith Number

pith:ZCX6WINM

pith:2013:ZCX6WINMUGDUTA6BQHP2UILIQP

not attested not anchored not stored refs pending

Qi-Wa, a problem that has plagued Chinese scrolls for millenniums

Ming-Han Chou, Sun-Hsin Hung, Tzay-Ming Hong, Wei-Chao Shen, Yi-Ping Wang

arxiv:1305.3760 v2 · 2013-05-16 · cond-mat.soft · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCX6WINMUGDUTA6BQHP2UILIQP}

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	2026-05-18T03:00:58.822335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8afeb21aca1874983c181dfaa216883d448ed6eb920a784b79e5aa3163632a9

Aliases

arxiv: 1305.3760 · arxiv_version: 1305.3760v2 · doi: 10.48550/arxiv.1305.3760 · pith_short_12: ZCX6WINMUGDU · pith_short_16: ZCX6WINMUGDUTA6B · pith_short_8: ZCX6WINM

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/ZCX6WINMUGDUTA6BQHP2UILIQP \
  | 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: c8afeb21aca1874983c181dfaa216883d448ed6eb920a784b79e5aa3163632a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b465d0dfc378d1786221ba48a6f11b2d49c92cb36ea0bea14a488961a5922ef4",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-05-16T11:20:24Z",
    "title_canon_sha256": "227d3e94c14387b4ffcd1cb3cf935a7b85a5b882151942f48e2690f660d00c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3760",
    "kind": "arxiv",
    "version": 2
  }
}