Pith Number

pith:E4JKM2TH

pith:2015:E4JKM2THLLE5KA7F3GK4BPXEVC

not attested not anchored not stored refs pending

Straight Line Triangle Representations

Nieke Aerts, Stefan Felsner

arxiv:1503.06970 v1 · 2015-03-24 · cs.CG · 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{E4JKM2THLLE5KA7F3GK4BPXEVC}

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	2026-05-18T02:20:29.658738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2712a66a675ac9d503e5d995c0bee4a88da7ac91a569d953406488d57fff4857

Aliases

arxiv: 1503.06970 · arxiv_version: 1503.06970v1 · doi: 10.48550/arxiv.1503.06970 · pith_short_12: E4JKM2THLLE5 · pith_short_16: E4JKM2THLLE5KA7F · pith_short_8: E4JKM2TH

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/E4JKM2THLLE5KA7F3GK4BPXEVC \
  | 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: 2712a66a675ac9d503e5d995c0bee4a88da7ac91a569d953406488d57fff4857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "207704b44680499a3b48456aca603fe7f48fa1ee15522d3ad1d3923b72a687cb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-03-24T10:01:28Z",
    "title_canon_sha256": "391d6cdcd13d96f3de3ca1368101be587d0d66c4d4cc2ad5df4a3d3e2b41c278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06970",
    "kind": "arxiv",
    "version": 1
  }
}