Pith Number

pith:BCOX2X75

pith:2015:BCOX2X75YCH4WKV3A6YBJSOGOV

not attested not anchored not stored refs pending

On infinite regular and chiral maps

Camilo Ram\'irez y Ferr\'an Valdez, John A. Arredondo

arxiv:1506.01981 v1 · 2015-06-05 · 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{BCOX2X75YCH4WKV3A6YBJSOGOV}

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	2026-05-18T01:55:58.759161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

089d7d5ffdc08fcb2abb07b014c9c6754e52418bc4a22f4c3a65e98f0514914a

Aliases

arxiv: 1506.01981 · arxiv_version: 1506.01981v1 · doi: 10.48550/arxiv.1506.01981 · pith_short_12: BCOX2X75YCH4 · pith_short_16: BCOX2X75YCH4WKV3 · pith_short_8: BCOX2X75

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/BCOX2X75YCH4WKV3A6YBJSOGOV \
  | 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: 089d7d5ffdc08fcb2abb07b014c9c6754e52418bc4a22f4c3a65e98f0514914a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb515ac0a8d2bb4d82c6f42bce3d470a66f9e1730cb25298c7a68df0082b6743",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-06-05T17:16:08Z",
    "title_canon_sha256": "326f2dc8a18d0a45e2b7f1585b3317378f3b498142bd606676d6c8aa392f348e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01981",
    "kind": "arxiv",
    "version": 1
  }
}