Pith Number

pith:I3LJ7UEQ

pith:2011:I3LJ7UEQNPXADXCRDJX3NYQ3DY

not attested not anchored not stored refs pending

Optimal k-fold colorings of webs and antiwebs

Manoel Camp\^elo, Marcio C. Santos, Phablo F. S. Moura, Ricardo C. Corr\^ea

arxiv:1108.5757 v1 · 2011-08-29 · 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{I3LJ7UEQNPXADXCRDJX3NYQ3DY}

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	2026-05-18T00:59:42.582783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46d69fd0906bee01dc511a6fb6e21b1e04ab3988b2b362554d8a524a6160375b

Aliases

arxiv: 1108.5757 · arxiv_version: 1108.5757v1 · doi: 10.48550/arxiv.1108.5757 · pith_short_12: I3LJ7UEQNPXA · pith_short_16: I3LJ7UEQNPXADXCR · pith_short_8: I3LJ7UEQ

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/I3LJ7UEQNPXADXCRDJX3NYQ3DY \
  | 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: 46d69fd0906bee01dc511a6fb6e21b1e04ab3988b2b362554d8a524a6160375b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f29e3eca5fd753bf3663b27e27c0c453201c7eaf16db43dcb1a72e6ec42edd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-08-29T21:22:34Z",
    "title_canon_sha256": "4d0919d29d4e716bc7b9bfd63c68b0ce45627ddfbb984c4bd0d4e70e1d899f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5757",
    "kind": "arxiv",
    "version": 1
  }
}