Pith Number

pith:DMQXPONR

pith:2014:DMQXPONRF4TWH3ULOL626XRE4M

not attested not anchored not stored refs pending

From G-parking functions to B-parking functions

Fengming Dong

arxiv:1407.1983 v6 · 2014-07-08 · 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{DMQXPONRF4TWH3ULOL626XRE4M}

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	2026-05-18T00:09:06.022276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b2177b9b12f2763ee8b72fdaf5e24e30033a8d7583cbd6474d4dce8e66aff99

Aliases

arxiv: 1407.1983 · arxiv_version: 1407.1983v6 · doi: 10.48550/arxiv.1407.1983 · pith_short_12: DMQXPONRF4TW · pith_short_16: DMQXPONRF4TWH3UL · pith_short_8: DMQXPONR

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/DMQXPONRF4TWH3ULOL626XRE4M \
  | 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: 1b2177b9b12f2763ee8b72fdaf5e24e30033a8d7583cbd6474d4dce8e66aff99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2bc4f1cd1180d790351d3bec66bf763181d30d716a1843cd7e9f3370f69b83a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-08T08:04:08Z",
    "title_canon_sha256": "d47adcfc680de6da366d0bc65099a6ac6f027a9b52d38c02e69d025cf1c50d61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1983",
    "kind": "arxiv",
    "version": 6
  }
}