Pith Number

pith:EMTOYUAR

pith:2016:EMTOYUARGF4RCOHKC6EPHQWDH5

not attested not anchored not stored refs pending

Solution to a conjecture on the proper connection number of graphs

Colton Magnant, Fei Huang, Xueliang Li, Zhongmei Qin

arxiv:1601.04162 v3 · 2016-01-16 · 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{EMTOYUARGF4RCOHKC6EPHQWDH5}

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	2026-05-18T01:20:03.197902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2326ec501131791138ea1788f3c2c33f66567f1cb54539794602077d743629ae

Aliases

arxiv: 1601.04162 · arxiv_version: 1601.04162v3 · doi: 10.48550/arxiv.1601.04162 · pith_short_12: EMTOYUARGF4R · pith_short_16: EMTOYUARGF4RCOHK · pith_short_8: EMTOYUAR

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/EMTOYUARGF4RCOHKC6EPHQWDH5 \
  | 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: 2326ec501131791138ea1788f3c2c33f66567f1cb54539794602077d743629ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c1ae6eb33ae0f0993f5a0269ed34b5d9b3612d0e42a38812e0cabec480166f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-16T13:52:20Z",
    "title_canon_sha256": "3f76e377e5d78d18c51a752942a64f32f771ae9d27dfb5d26fd12f652b33c0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04162",
    "kind": "arxiv",
    "version": 3
  }
}