Pith Number

pith:IHWNNRBM

pith:2018:IHWNNRBMTKHOFLMXO5FD3WFCVJ

not attested not anchored not stored refs pending

FI-sets with relations

David Speyer, Eric Ramos, Graham White

arxiv:1804.04238 v2 · 2018-04-11 · math.CO · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHWNNRBMTKHOFLMXO5FD3WFCVJ}

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	2026-05-18T00:18:35.420737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41ecd6c42c9a8ee2ad97774a3dd8a2aa7cb27f444ccf35ebd377b8aeb1494abc

Aliases

arxiv: 1804.04238 · arxiv_version: 1804.04238v2 · doi: 10.48550/arxiv.1804.04238 · pith_short_12: IHWNNRBMTKHO · pith_short_16: IHWNNRBMTKHOFLMX · pith_short_8: IHWNNRBM

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/IHWNNRBMTKHOFLMXO5FD3WFCVJ \
  | 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: 41ecd6c42c9a8ee2ad97774a3dd8a2aa7cb27f444ccf35ebd377b8aeb1494abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a016c7ba17cc780068cb502ce738c54048d5302571ab3fceff618638833f8599",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-11T21:50:21Z",
    "title_canon_sha256": "6029ef3f3deaf8b6b6f0bd2c4ffb3a088634e70c0ec90f71c7292f1daef7d358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04238",
    "kind": "arxiv",
    "version": 2
  }
}