Pith Number

pith:RAW6V663

pith:2011:RAW6V66326UHOC7CVAMDW32GI7

not attested not anchored not stored refs pending

Infinite matroid union

Elad Aigner-Horev, Jan-Oliver Fr\"ohlich, Johannes Carmesin

arxiv:1111.0602 v2 · 2011-11-02 · 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{RAW6V66326UHOC7CVAMDW32GI7}

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	2026-05-18T03:51:35.714495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

882deafbdbd7a8770be2a8183b6f4647dc9e828fd2870e45312fe8a7fc6ff52e

Aliases

arxiv: 1111.0602 · arxiv_version: 1111.0602v2 · doi: 10.48550/arxiv.1111.0602 · pith_short_12: RAW6V66326UH · pith_short_16: RAW6V66326UHOC7C · pith_short_8: RAW6V663

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/RAW6V66326UHOC7CVAMDW32GI7 \
  | 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: 882deafbdbd7a8770be2a8183b6f4647dc9e828fd2870e45312fe8a7fc6ff52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37f2b24ff918eb52089b079fc5e18aa5acd355303b3eadce1c24a5c4f1423f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-02T18:45:30Z",
    "title_canon_sha256": "38f5776af869af472557010508365d6d17f0d95887587ab8f5cc7b3c03e4f0e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0602",
    "kind": "arxiv",
    "version": 2
  }
}