Pith Number

pith:XNEBGLYI

pith:2017:XNEBGLYIQXR2JYN4BCOZM7LD57

not attested not anchored not stored refs pending

Link colorings and the Goeritz matrix

Lorenzo Traldi

arxiv:1701.04308 v4 · 2017-01-16 · math.GT · 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{XNEBGLYIQXR2JYN4BCOZM7LD57}

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	2026-05-18T00:40:51.356273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb48132f0885e3a4e1bc089d967d63efc3725765f97aabcd8c5b6a79c24f44b6

Aliases

arxiv: 1701.04308 · arxiv_version: 1701.04308v4 · doi: 10.48550/arxiv.1701.04308 · pith_short_12: XNEBGLYIQXR2 · pith_short_16: XNEBGLYIQXR2JYN4 · pith_short_8: XNEBGLYI

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/XNEBGLYIQXR2JYN4BCOZM7LD57 \
  | 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: bb48132f0885e3a4e1bc089d967d63efc3725765f97aabcd8c5b6a79c24f44b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7fff499b7f29fbd64511ba1eb5501f34222de069dfa609407df434561430bb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-01-16T14:44:47Z",
    "title_canon_sha256": "940446d181bf46a8bc55c17db2bdeed67c79dcbe39924789844c375435106e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04308",
    "kind": "arxiv",
    "version": 4
  }
}