Pith Number

pith:43N3IT6M

pith:2012:43N3IT6MEJRO4HX34IHENZATS6

not attested not anchored not stored refs pending

On weighted graph homomorphisms

David Galvin, Prasad Tetali

arxiv:1206.3160 v1 · 2012-06-14 · 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{43N3IT6MEJRO4HX34IHENZATS6}

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	2026-05-18T03:53:32.444590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6dbb44fcc2262ee1efbe20e46e4139782bdcc053fb4de1365806d8d5d4a10f6

Aliases

arxiv: 1206.3160 · arxiv_version: 1206.3160v1 · doi: 10.48550/arxiv.1206.3160 · pith_short_12: 43N3IT6MEJRO · pith_short_16: 43N3IT6MEJRO4HX3 · pith_short_8: 43N3IT6M

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/43N3IT6MEJRO4HX34IHENZATS6 \
  | 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: e6dbb44fcc2262ee1efbe20e46e4139782bdcc053fb4de1365806d8d5d4a10f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a90b8c351cbca61fdd3faad66a0c374c166e675a9a854c73a3a4ea56e12a5667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-06-14T16:09:22Z",
    "title_canon_sha256": "eaf981c235650ccdd84fec7ed766d5e9b3a332fe0be067ccd0cd8110b7652d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3160",
    "kind": "arxiv",
    "version": 1
  }
}