Pith Number

pith:BMTEF3G5

pith:2017:BMTEF3G56Y6A52USW3JRTRZRYY

not attested not anchored not stored refs pending

Distant total sum distinguishing index of graphs

Jakub Przyby{\l}o

arxiv:1703.05672 v1 · 2017-03-16 · 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{BMTEF3G56Y6A52USW3JRTRZRYY}

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	2026-05-17T23:56:56.028270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b2642ecddf63c0eea92b6d319c731c63a3bceb89c10aa7b3fa16ba3a39a5a60

Aliases

arxiv: 1703.05672 · arxiv_version: 1703.05672v1 · doi: 10.48550/arxiv.1703.05672 · pith_short_12: BMTEF3G56Y6A · pith_short_16: BMTEF3G56Y6A52US · pith_short_8: BMTEF3G5

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/BMTEF3G56Y6A52USW3JRTRZRYY \
  | 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: 0b2642ecddf63c0eea92b6d319c731c63a3bceb89c10aa7b3fa16ba3a39a5a60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc26ae265dd53798b220879d7f2250fee933ad7299c3f714790a81384a5f4b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-16T15:28:03Z",
    "title_canon_sha256": "e3b9ab9143c730bf4bb2b53ccffb8aa2c5522e01f03201bae19fc837ce17d947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05672",
    "kind": "arxiv",
    "version": 1
  }
}