Pith Number

pith:EKWH22EV

pith:2019:EKWH22EVD74MRBHZJJ4HQZ4TDQ

not attested not anchored not stored refs pending

Equivariant Kazhdan-Lusztig polynomials of thagomizer matroids

Matthew H.Y. Xie, Philip B. Zhang

arxiv:1902.01241 v1 · 2019-02-04 · 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{EKWH22EVD74MRBHZJJ4HQZ4TDQ}

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	2026-05-17T23:54:49.336623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ac7d68951ff8c884f94a787867931c3c43abf17f34445df4fa41a3dace043a

Aliases

arxiv: 1902.01241 · arxiv_version: 1902.01241v1 · doi: 10.48550/arxiv.1902.01241 · pith_short_12: EKWH22EVD74M · pith_short_16: EKWH22EVD74MRBHZ · pith_short_8: EKWH22EV

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/EKWH22EVD74MRBHZJJ4HQZ4TDQ \
  | 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: 22ac7d68951ff8c884f94a787867931c3c43abf17f34445df4fa41a3dace043a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64cc3aa8b3bfdfef0f94d7d94fa48d028fcd690e66e491fba84a69cace83b2ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-04T15:13:45Z",
    "title_canon_sha256": "d75b2f6c4bd1a04bc3227a328d00d0a40f5c0ad5fce54ed2dc3c7983a33a3648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01241",
    "kind": "arxiv",
    "version": 1
  }
}