Pith Number

pith:NEIOYYNW

pith:2013:NEIOYYNWM23NDSTX43OAZZHL6T

not attested not anchored not stored refs pending

On Interval Non-Edge-Colorable Eulerian Multigraphs

Petros A. Petrosyan

arxiv:1311.2210 v2 · 2013-11-09 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEIOYYNWM23NDSTX43OAZZHL6T}

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	2026-05-18T03:06:54.103846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6910ec61b666b6d1ca77e6dc0ce4ebf4fa2752f6d3dcdcf53a0d13aac71bcab4

Aliases

arxiv: 1311.2210 · arxiv_version: 1311.2210v2 · doi: 10.48550/arxiv.1311.2210 · pith_short_12: NEIOYYNWM23N · pith_short_16: NEIOYYNWM23NDSTX · pith_short_8: NEIOYYNW

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/NEIOYYNWM23NDSTX43OAZZHL6T \
  | 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: 6910ec61b666b6d1ca77e6dc0ce4ebf4fa2752f6d3dcdcf53a0d13aac71bcab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "308edcd23c0331359af6186b1af686a7b7480a129df41cfe4a2a09090d876d55",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-09T20:41:58Z",
    "title_canon_sha256": "ba031b1822fb58dee87e5df8be4b8e36448d9dcc8effefdd9be404d5087422a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2210",
    "kind": "arxiv",
    "version": 2
  }
}