Pith Number

pith:TSKSJEPZ

pith:2010:TSKSJEPZTE42AP5K3WMXEZSFEI

not attested not anchored not stored refs pending

Ramified rectilinear polygons: coordinatization by dendrons

David Eppstein, Hans-J\"urgen Bandelt, Victor Chepoi

arxiv:1005.1721 v1 · 2010-05-11 · math.CO · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSKSJEPZTE42AP5K3WMXEZSFEI}

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	2026-05-18T01:18:49.761921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c952491f99939a03faadd9972664522190fcd0219807d2c4a33991d5c0945ef

Aliases

arxiv: 1005.1721 · arxiv_version: 1005.1721v1 · doi: 10.48550/arxiv.1005.1721 · pith_short_12: TSKSJEPZTE42 · pith_short_16: TSKSJEPZTE42AP5K · pith_short_8: TSKSJEPZ

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/TSKSJEPZTE42AP5K3WMXEZSFEI \
  | 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: 9c952491f99939a03faadd9972664522190fcd0219807d2c4a33991d5c0945ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d26aa7a23dfbd9d7b0d4db30e1d22eb58760daece581704bae66d6ed8d987448",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-05-11T05:58:22Z",
    "title_canon_sha256": "019dc317e6336119bf823745f650357eac35899aede49c94e25415e632da143e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1721",
    "kind": "arxiv",
    "version": 1
  }
}