pith. sign in
Pith Number

pith:I7MYIJAT

pith:2014:I7MYIJATNBZBWTL4COGPQWAZ3A
not attested not anchored not stored refs pending

Intersections of hypergraphs

Alex Scott, B\'ela Bollob\'as

arxiv:1408.6348 v1 · 2014-08-27 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I7MYIJATNBZBWTL4COGPQWAZ3A}

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 2026-05-18T02:44:07.690171Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

47d984241368721b4d7c138cf85819d80da7c710082dcb380e49cc1c4a37deab

Aliases

arxiv: 1408.6348 · arxiv_version: 1408.6348v1 · doi: 10.48550/arxiv.1408.6348 · pith_short_12: I7MYIJATNBZB · pith_short_16: I7MYIJATNBZBWTL4 · pith_short_8: I7MYIJAT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I7MYIJATNBZBWTL4COGPQWAZ3A \
  | 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: 47d984241368721b4d7c138cf85819d80da7c710082dcb380e49cc1c4a37deab
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b4f185c685cee5b8f52169de84f9758ee8b4a0c55be47f461aab9c7c1734520c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-27T08:45:28Z",
    "title_canon_sha256": "3f9d9db5bfd2748ebc033d019504f761f2c34a5f244eb1786b7c149ca07e8445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6348",
    "kind": "arxiv",
    "version": 1
  }
}