Pith Number

pith:2FZQ5ZHQ

pith:2016:2FZQ5ZHQGR3U5L5PD2GD3KXNYY

not attested not anchored not stored refs pending

Connected chord diagrams and bridgeless maps

Julien Courtiel, Karen Yeats, Noam Zeilberger

arxiv:1611.04611 v2 · 2016-11-14 · 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{2FZQ5ZHQGR3U5L5PD2GD3KXNYY}

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	2026-05-18T00:32:44.178145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1730ee4f034774eafaf1e8c3daaedc6285d90864bc23617dddc74c0049d66c7

Aliases

arxiv: 1611.04611 · arxiv_version: 1611.04611v2 · doi: 10.48550/arxiv.1611.04611 · pith_short_12: 2FZQ5ZHQGR3U · pith_short_16: 2FZQ5ZHQGR3U5L5P · pith_short_8: 2FZQ5ZHQ

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/2FZQ5ZHQGR3U5L5PD2GD3KXNYY \
  | 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: d1730ee4f034774eafaf1e8c3daaedc6285d90864bc23617dddc74c0049d66c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f10bd2ec9cb91cd99338c9668e365e4f6534a109f66cda04d2560d57c860b3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-11-14T21:01:19Z",
    "title_canon_sha256": "eeed367da87624c4aa02cfdb1dad36fa984756789dd892514f1c55b4877f3402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04611",
    "kind": "arxiv",
    "version": 2
  }
}