Pith Number

pith:6RX2LO3B

pith:2025:6RX2LO3BTHDWANWS4MWKTJTRGU

not attested not anchored not stored refs pending

Satisfying sequences for rainbow partite matchings

Andrey Kupavskii, Elizaveta Popova

arxiv:2502.03105 v1 · 2025-02-05 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RX2LO3BTHDWANWS4MWKTJTRGU}

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	2026-07-05T10:09:59.834342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f46fa5bb6199c76036d2e32ca9a6713518e51cb13f917ca64485a0deb7131f42

Aliases

arxiv: 2502.03105 · arxiv_version: 2502.03105v1 · doi: 10.48550/arxiv.2502.03105 · pith_short_12: 6RX2LO3BTHDW · pith_short_16: 6RX2LO3BTHDWANWS · pith_short_8: 6RX2LO3B

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/6RX2LO3BTHDWANWS4MWKTJTRGU \
  | 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: f46fa5bb6199c76036d2e32ca9a6713518e51cb13f917ca64485a0deb7131f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ec32dfcfcb68463c74a322ac88a51fcd7e78b49792e737a80a6827bac5f8ee1",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-02-05T12:03:47Z",
    "title_canon_sha256": "c1481f271ba5958d5739b4c9d87ad4288ba697c3bc7cff191c1339c34369f328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03105",
    "kind": "arxiv",
    "version": 1
  }
}