Pith Number

pith:IFKVMIUD

pith:2017:IFKVMIUD3Q3PFGQLKIK2S4D74U

not attested not anchored not stored refs pending

On Central-Peripheral Appendage Numbers of Uniform Central Graphs

Jonathan Needleman, Sul-Young Choi

arxiv:1705.07982 v1 · 2017-05-22 · 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{IFKVMIUD3Q3PFGQLKIK2S4D74U}

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	2026-05-18T00:44:03.983051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4155562283dc36f29a0b5215a9707fe51ee7d4b7f7e787743bde5b6050440132

Aliases

arxiv: 1705.07982 · arxiv_version: 1705.07982v1 · doi: 10.48550/arxiv.1705.07982 · pith_short_12: IFKVMIUD3Q3P · pith_short_16: IFKVMIUD3Q3PFGQL · pith_short_8: IFKVMIUD

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/IFKVMIUD3Q3PFGQLKIK2S4D74U \
  | 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: 4155562283dc36f29a0b5215a9707fe51ee7d4b7f7e787743bde5b6050440132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a5cc77d2b198c09f0a40119b92a43f30003f088a129a0108b3d14e5e48b179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-22T20:18:06Z",
    "title_canon_sha256": "f1f1738cb0b6cbd0ce1811a4f21a9b03f78658d9901b48141e2b1fabca41d9e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07982",
    "kind": "arxiv",
    "version": 1
  }
}