Pith Number

pith:VGHRAXWE

pith:2019:VGHRAXWEOHZMMI6NGDJ36EBC4Y

not attested not anchored not stored refs pending

On Index coding for Complementary Graphs with focus on Circular Perfect Graphs

Bhavana M, Prasad Krishnan

arxiv:1901.05898 v1 · 2019-01-17 · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGHRAXWEOHZMMI6NGDJ36EBC4Y}

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	2026-05-17T23:56:05.870394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98f105ec471f2c623cd30d3bf1022e639576f724970848bebb6bace59b0775e

Aliases

arxiv: 1901.05898 · arxiv_version: 1901.05898v1 · doi: 10.48550/arxiv.1901.05898 · pith_short_12: VGHRAXWEOHZM · pith_short_16: VGHRAXWEOHZMMI6N · pith_short_8: VGHRAXWE

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/VGHRAXWEOHZMMI6NGDJ36EBC4Y \
  | 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: a98f105ec471f2c623cd30d3bf1022e639576f724970848bebb6bace59b0775e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5cc84eb64d0940ccc42ea9c9369a7e04384f844bbb2cd8c9af4ca17e6d17af",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-17T17:00:06Z",
    "title_canon_sha256": "ca5295af2aecc3a98b5b16b3d4e6f98e3271b7e0d042e51d7b320a85fc8e3bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05898",
    "kind": "arxiv",
    "version": 1
  }
}