Pith Number

pith:NANEN5DG

pith:2019:NANEN5DGBA4G5R4JPDPSZKF3RP

not attested not anchored not stored refs pending

Triangulations with homogeneous zigzags

Adam Tyc, Mariusz Kwiatkowski, Mark Pankov

arxiv:1902.10788 v1 · 2019-02-27 · 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{NANEN5DGBA4G5R4JPDPSZKF3RP}

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	2026-05-17T23:52:29.745619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

681a46f46608386ec78978df2ca8bb8bf1c39f9c641014bac19b192070ddb4c9

Aliases

arxiv: 1902.10788 · arxiv_version: 1902.10788v1 · doi: 10.48550/arxiv.1902.10788 · pith_short_12: NANEN5DGBA4G · pith_short_16: NANEN5DGBA4G5R4J · pith_short_8: NANEN5DG

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/NANEN5DGBA4G5R4JPDPSZKF3RP \
  | 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: 681a46f46608386ec78978df2ca8bb8bf1c39f9c641014bac19b192070ddb4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b44317f0503a139a67ca069bb5294652e09722655ac21ad762f2060813f0d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-27T21:07:02Z",
    "title_canon_sha256": "875e9548e41e0a09b5a19cada34f54aaadb9500c6ecd5a44195c1bddc5cb7d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10788",
    "kind": "arxiv",
    "version": 1
  }
}