Pith Number

pith:OSU6KQEN

pith:2012:OSU6KQENL6E6BOKZVIKSAQFS5O

not attested not anchored not stored refs pending

Improved Lower Bounds on the Compatibility of Multi-State Characters

Brad Shutters, David Fern\'andez-Baca, Sudheer Vakati

arxiv:1205.5779 v1 · 2012-05-25 · math.CO · cs.DM · 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{OSU6KQENL6E6BOKZVIKSAQFS5O}

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	2026-05-18T03:54:50.363160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74a9e5408d5f89e0b959aa152040b2ebaf9ec902ef60d627bd59429a62a2bc0b

Aliases

arxiv: 1205.5779 · arxiv_version: 1205.5779v1 · doi: 10.48550/arxiv.1205.5779 · pith_short_12: OSU6KQENL6E6 · pith_short_16: OSU6KQENL6E6BOKZ · pith_short_8: OSU6KQEN

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/OSU6KQENL6E6BOKZVIKSAQFS5O \
  | 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: 74a9e5408d5f89e0b959aa152040b2ebaf9ec902ef60d627bd59429a62a2bc0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c81be1fedc692fc47b24d554aff356ae45fad6d983c70c279a1534cdb8404dad",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-05-25T19:12:45Z",
    "title_canon_sha256": "f573d44e751f442fa3c977e816df1111b9f10fd26ce7f1137c621e3cf31e3bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5779",
    "kind": "arxiv",
    "version": 1
  }
}