Pith Number

pith:FW2DMNDU

pith:2013:FW2DMNDUGTZURXM46Q2C6NHTBE

not attested not anchored not stored refs pending

On symmetry groups of oriented matroids

Hiroyuki Miyata

arxiv:1301.6451 v5 · 2013-01-28 · 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{FW2DMNDUGTZURXM46Q2C6NHTBE}

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	2026-05-18T01:53:09.904688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2db436347434f348dd9cf4342f34f3093af0230aad257ffcd54338b7a85761e3

Aliases

arxiv: 1301.6451 · arxiv_version: 1301.6451v5 · doi: 10.48550/arxiv.1301.6451 · pith_short_12: FW2DMNDUGTZU · pith_short_16: FW2DMNDUGTZURXM4 · pith_short_8: FW2DMNDU

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/FW2DMNDUGTZURXM46Q2C6NHTBE \
  | 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: 2db436347434f348dd9cf4342f34f3093af0230aad257ffcd54338b7a85761e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1a3c3ea7d906a007dc9a7de2e50c78aac40d9abfd0dd96d24e9b8b3e5a70042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-28T05:17:15Z",
    "title_canon_sha256": "bef3a0470734caab2e64e51437c4980fc834932d35168d90580d5044387c4d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6451",
    "kind": "arxiv",
    "version": 5
  }
}