Pith Number

pith:CEDQRQIQ

pith:2017:CEDQRQIQV2J5NH3J4GDLCIQD6W

not attested not anchored not stored refs pending

Elation KM-arcs

Geertrui Van de Voorde, Maarten De Boeck

arxiv:1705.06372 v1 · 2017-05-17 · 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{CEDQRQIQV2J5NH3J4GDLCIQD6W}

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	2026-05-18T00:44:14.886186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110708c110ae93d69f69e186b12203f5b67ef732f87442e93108916e65654331

Aliases

arxiv: 1705.06372 · arxiv_version: 1705.06372v1 · doi: 10.48550/arxiv.1705.06372 · pith_short_12: CEDQRQIQV2J5 · pith_short_16: CEDQRQIQV2J5NH3J · pith_short_8: CEDQRQIQ

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/CEDQRQIQV2J5NH3J4GDLCIQD6W \
  | 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: 110708c110ae93d69f69e186b12203f5b67ef732f87442e93108916e65654331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92c8464ebb620f4209c76e50566266d9b36ab1dac27c42c45fcddb2846b23c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-17T23:46:41Z",
    "title_canon_sha256": "9906ed2236306f0fdb682a060e9012382f3ab441144e310417ec6ca51cbd1b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06372",
    "kind": "arxiv",
    "version": 1
  }
}