Pith Number

pith:4X7HDE7V

pith:2015:4X7HDE7VJT5S7TSFGEEXS6YIB7

not attested not anchored not stored refs pending

On Mathematical Symbols in China

Fang Li, Yong Zhang

arxiv:1511.08033 v1 · 2015-11-25 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4X7HDE7VJT5S7TSFGEEXS6YIB7}

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	2026-05-18T01:26:01.934542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5fe7193f54cfb2fce453109797b080fe5bfa16a03069727eeef49d385e78e51

Aliases

arxiv: 1511.08033 · arxiv_version: 1511.08033v1 · doi: 10.48550/arxiv.1511.08033 · pith_short_12: 4X7HDE7VJT5S · pith_short_16: 4X7HDE7VJT5S7TSF · pith_short_8: 4X7HDE7V

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/4X7HDE7VJT5S7TSFGEEXS6YIB7 \
  | 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: e5fe7193f54cfb2fce453109797b080fe5bfa16a03069727eeef49d385e78e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50c86879aeb23b71eca735969b2506fbb2e21577d84fb013a5da119657378b82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-11-25T12:18:26Z",
    "title_canon_sha256": "2a06480814ddb9e63c4e86bf3130c6e07c0714524afcdc4813e8f586b9a5c46a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08033",
    "kind": "arxiv",
    "version": 1
  }
}