Pith Number

pith:IBRRE7ET

pith:2019:IBRRE7ETIIJ5P4CKX2PVKL2SLV

not attested not anchored not stored refs pending

The game chromatic number of a random hypergraph

Alan Frieze, Debsoumya Chakraborti, Mihir Hasabnis

arxiv:1902.03130 v1 · 2019-02-06 · 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{IBRRE7ETIIJ5P4CKX2PVKL2SLV}

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	2026-05-17T23:54:27.884225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4063127c934213d7f04abe9f552f525d708a139cf956e0e45bfe2b718075f7d6

Aliases

arxiv: 1902.03130 · arxiv_version: 1902.03130v1 · doi: 10.48550/arxiv.1902.03130 · pith_short_12: IBRRE7ETIIJ5 · pith_short_16: IBRRE7ETIIJ5P4CK · pith_short_8: IBRRE7ET

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/IBRRE7ETIIJ5P4CKX2PVKL2SLV \
  | 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: 4063127c934213d7f04abe9f552f525d708a139cf956e0e45bfe2b718075f7d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a4a51b04addebbea2ad6a65426add9950180fd4f43c615625dc50ebe2dfcd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-06T20:23:28Z",
    "title_canon_sha256": "9852ddcdff4d8f13928146735772fa70ec2782dbb8e66bc11fbbd9392185f757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03130",
    "kind": "arxiv",
    "version": 1
  }
}