Pith Number

pith:XD2FPHED

pith:2021:XD2FPHEDHXRP3PYDAHV5DL23VX

not attested not anchored not stored refs pending

Eventually, geometric $(n_{k})$ configurations exist for all $n$

(2) Bolyai Institute, (3) University of Primorska, G\'abor G\'evay (2), Institute of Mathematics, Leah Wrenn Berman (1), Mechanics, Physics, Toma\v{z} Pisanski (3) ((1) University of Alaska Fairbanks, University of Ljubljana), University of Szeged

arxiv:2104.00045 v1 · 2021-03-31 · 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{XD2FPHEDHXRP3PYDAHV5DL23VX}

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	2026-07-05T02:28:23.320536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8f4579c833de2fdbf0301ebd1af5badc0366ee85c168e63fec45be61df9791e

Aliases

arxiv: 2104.00045 · arxiv_version: 2104.00045v1 · doi: 10.48550/arxiv.2104.00045 · pith_short_12: XD2FPHEDHXRP · pith_short_16: XD2FPHEDHXRP3PYD · pith_short_8: XD2FPHED

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/XD2FPHEDHXRP3PYDAHV5DL23VX \
  | 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: b8f4579c833de2fdbf0301ebd1af5badc0366ee85c168e63fec45be61df9791e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5864b7eca94c76e03c03593fbd236f8fafebbacb02e5723639a8b74315d8e8b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-03-31T18:15:20Z",
    "title_canon_sha256": "d8cd2923c339bf5541989ef238b21fad88fc3097b57edb92a88bbc43f2ff5cd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00045",
    "kind": "arxiv",
    "version": 1
  }
}