Pith Number

pith:RCGI6XDB

pith:2009:RCGI6XDBF6EFJQUGGXXLYVYDLM

not attested not anchored not stored refs pending

Degree Sequences and the Existence of $k$-Factors

D. Bauer, E. Schmeichel, H.J. Broersma, J. van den Heuvel, N. Kahl

arxiv:0912.2916 v2 · 2009-12-15 · 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{RCGI6XDBF6EFJQUGGXXLYVYDLM}

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	2026-05-18T04:27:16.423598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

888c8f5c612f8854c28635eebc57035b009970f8da75818621f87a5380000ed1

Aliases

arxiv: 0912.2916 · arxiv_version: 0912.2916v2 · doi: 10.48550/arxiv.0912.2916 · pith_short_12: RCGI6XDBF6EF · pith_short_16: RCGI6XDBF6EFJQUG · pith_short_8: RCGI6XDB

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/RCGI6XDBF6EFJQUGGXXLYVYDLM \
  | 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: 888c8f5c612f8854c28635eebc57035b009970f8da75818621f87a5380000ed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cad30bc66743ccbc86d5379d4c68a856accf8cba86e31e27879ab741269c135",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-12-15T15:00:36Z",
    "title_canon_sha256": "db223b121b817c516899c05e45ce6f8467260143f78d68d7546768f496f45ffe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2916",
    "kind": "arxiv",
    "version": 2
  }
}