Pith Number

pith:7PF7A524

pith:2025:7PF7A524JMW5WMAW74ZXJFB3VE

not attested not anchored not stored refs pending

Edge open packing on subclasses of chordal graphs

Kamal Santra

arxiv:2510.16236 v3 · 2025-10-17 · 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{7PF7A524JMW5WMAW74ZXJFB3VE}

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.

Cited by

1 paper in Pith

Algorithms for the Maximum Edge Open Packing Problem

Receipt and verification

First computed	2026-07-30T01:19:14.086320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

fbcbf0775c4b2ddb3016ff3374943ba92b19438282470141a1136222ba89473a

Aliases

arxiv: 2510.16236 · arxiv_version: 2510.16236v3 · doi: 10.48550/arxiv.2510.16236 · pith_short_12: 7PF7A524JMW5 · pith_short_16: 7PF7A524JMW5WMAW · pith_short_8: 7PF7A524

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/7PF7A524JMW5WMAW74ZXJFB3VE \
  | 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: fbcbf0775c4b2ddb3016ff3374943ba92b19438282470141a1136222ba89473a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0a1c0fb4264479d2e2c02fe9333a7ad4f235cb25ed2617e286a8f4dc0c20a7c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-10-17T21:56:17Z",
    "title_canon_sha256": "638e5e632e55222eebf6739fc4f1af213edbe49ebb30f5296c6cebe62a17d498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.16236",
    "kind": "arxiv",
    "version": 3
  }
}