Pith Number

pith:PGTUNCIV

pith:2020:PGTUNCIVOPQMAUYBIDYY5OT32P

not attested not anchored not stored refs pending

Parking Functions: Choose Your Own Adventure

Alex Christensen, Andr\'es Ramos Rodr\'iguez, Joshua Carlson, Pamela E. Harris, Zakiya Jones

arxiv:2001.04817 v3 · 2020-01-11 · math.CO · 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{PGTUNCIVOPQMAUYBIDYY5OT32P}

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	2026-07-05T01:32:22.308535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a746891573e0c0530140f18eba7bd3d1e60fe9516625df0f645299cbf4d36b

Aliases

arxiv: 2001.04817 · arxiv_version: 2001.04817v3 · doi: 10.48550/arxiv.2001.04817 · pith_short_12: PGTUNCIVOPQM · pith_short_16: PGTUNCIVOPQMAUYB · pith_short_8: PGTUNCIV

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/PGTUNCIVOPQMAUYBIDYY5OT32P \
  | 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: 79a746891573e0c0530140f18eba7bd3d1e60fe9516625df0f645299cbf4d36b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d45ff26bc8a6920d006a67de5d56fd8ad5d013c30c3d97bcf2b7c04a6a6e7031",
    "cross_cats_sorted": [
      "math.HO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-01-11T16:14:30Z",
    "title_canon_sha256": "f99fde60af674cbf473a0b36aaef600ef77559a853c5978581cf330862206898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04817",
    "kind": "arxiv",
    "version": 3
  }
}