Pith Number

pith:4JIZ55TM

pith:2023:4JIZ55TMXGS5TEVJC3XHYRJTQ3

not attested not anchored not stored refs pending

The Poincar\'e-extended ab-index

Christian Stump, Galen Dorpalen-Barry, Joshua Maglione

arxiv:2301.05904 v5 · 2023-01-14 · 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{4JIZ55TMXGS5TEVJC3XHYRJTQ3}

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.

Cited by

2 papers in Pith

Tangent classes for matroid building sets

Equivariant gamma-positivity of matroid Chow rings

Receipt and verification

First computed	2026-07-05T09:46:26.176619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2519ef66cb9a5d992a916ee7c453386c03a0a3900080741c8834f0b2c38d412

Aliases

arxiv: 2301.05904 · arxiv_version: 2301.05904v5 · doi: 10.48550/arxiv.2301.05904 · pith_short_12: 4JIZ55TMXGS5 · pith_short_16: 4JIZ55TMXGS5TEVJ · pith_short_8: 4JIZ55TM

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/4JIZ55TMXGS5TEVJC3XHYRJTQ3 \
  | 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: e2519ef66cb9a5d992a916ee7c453386c03a0a3900080741c8834f0b2c38d412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1432672159a7b57e1cb87453a8fee197e1a8c5fa237cee782f5c60b5224838be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-01-14T12:13:16Z",
    "title_canon_sha256": "d69404906eccdca41180dd395edee5ebc05eb665d427c976be48eb025e09898b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05904",
    "kind": "arxiv",
    "version": 5
  }
}