Pith Number

pith:QB6D3IEM

pith:2019:QB6D3IEMRUDAXVTXADF6Z5PEE5

not attested not anchored not stored refs pending

On a conjecture of Bondy and Vince

Jie Ma, Jun Gao

arxiv:1902.05701 v2 · 2019-02-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QB6D3IEMRUDAXVTXADF6Z5PEE5}

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	2026-05-17T23:39:39.817793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807c3da08c8d060bd67700cbecf5e427417164be076d89d4822bb15b4f8f5635

Aliases

arxiv: 1902.05701 · arxiv_version: 1902.05701v2 · doi: 10.48550/arxiv.1902.05701 · pith_short_12: QB6D3IEMRUDA · pith_short_16: QB6D3IEMRUDAXVTX · pith_short_8: QB6D3IEM

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/QB6D3IEMRUDAXVTXADF6Z5PEE5 \
  | 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: 807c3da08c8d060bd67700cbecf5e427417164be076d89d4822bb15b4f8f5635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df02ece6a6a0ccfb52663bda114e34e18175860d598a018a745df3e709e95e6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-15T06:17:33Z",
    "title_canon_sha256": "1971cace1c39706a20358873db10bf5ee8673fc986bbda41c43ea7839634bb44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05701",
    "kind": "arxiv",
    "version": 2
  }
}