Pith Number

pith:UDFBTVTJ

pith:2015:UDFBTVTJQFT33WP55L5P4SEPYR

not attested not anchored not stored refs pending

On the Lov\'asz Theta function for Independent Sets in Sparse Graphs

Anupam Gupta, Guru Guruganesh, Nikhil Bansal

arxiv:1504.04767 v2 · 2015-04-18 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDFBTVTJQFT33WP55L5P4SEPYR}

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

Fractional coloring via entropy

Receipt and verification

First computed	2026-05-18T02:18:03.269894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ca19d6698167bdd9fdeafafe488fc4538ab296e190ab0d05f4ac46418cfc2a

Aliases

arxiv: 1504.04767 · arxiv_version: 1504.04767v2 · doi: 10.48550/arxiv.1504.04767 · pith_short_12: UDFBTVTJQFT3 · pith_short_16: UDFBTVTJQFT33WP5 · pith_short_8: UDFBTVTJ

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/UDFBTVTJQFT33WP55L5P4SEPYR \
  | 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: a0ca19d6698167bdd9fdeafafe488fc4538ab296e190ab0d05f4ac46418cfc2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946f30a332f83d3d05c6b33d2a364c34dfaf6fe607b10bf92e63944ad91fc01b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-18T21:55:07Z",
    "title_canon_sha256": "011a75d187d0b979ac446b2e8bacb3e06048dbd27a7ff3c2cbd0f0e8fdd81e8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04767",
    "kind": "arxiv",
    "version": 2
  }
}