Pith Number

pith:7LWPPLWY

pith:2014:7LWPPLWYPUAPXWYTPIVCPZMACC

not attested not anchored not stored refs pending

Infinite Gammoids: Minors and Duality

Hiu Fai Law, Malte M\"uller, Seyed Hadi Afzali Borujeni

arxiv:1411.2277 v1 · 2014-11-09 · 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{7LWPPLWYPUAPXWYTPIVCPZMACC}

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	2026-05-18T02:38:07.968200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faecf7aed87d00fbdb137a2a27e5801097817766d337007d75690bf0aba740bd

Aliases

arxiv: 1411.2277 · arxiv_version: 1411.2277v1 · doi: 10.48550/arxiv.1411.2277 · pith_short_12: 7LWPPLWYPUAP · pith_short_16: 7LWPPLWYPUAPXWYT · pith_short_8: 7LWPPLWY

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/7LWPPLWYPUAPXWYTPIVCPZMACC \
  | 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: faecf7aed87d00fbdb137a2a27e5801097817766d337007d75690bf0aba740bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6688fdb84d57e5e5a4bac30f314f094ab1e9efcb15f605f5ac229448022acf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-09T20:33:19Z",
    "title_canon_sha256": "ac05fea8c4d06c11a82c603145af4a723de2eca3b442a8b8d1ed7c54ed76fffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2277",
    "kind": "arxiv",
    "version": 1
  }
}