Pith Number

pith:3J5RAPZ5

pith:2013:3J5RAPZ5EKNUPHQKTNC4WABG64

not attested not anchored not stored refs pending

Analysis on Surreal Numbers

Ashvin Swaminathan, Simon Rubinstein-Salzedo

arxiv:1307.7392 v3 · 2013-07-28 · math.CA · math.GN · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3J5RAPZ5EKNUPHQKTNC4WABG64}

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	2026-05-18T02:04:00.586033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da7b103f3d229b479e0a9b45cb0026f7167212648e28fd4ba2454f0d4b7e7556

Aliases

arxiv: 1307.7392 · arxiv_version: 1307.7392v3 · doi: 10.48550/arxiv.1307.7392 · pith_short_12: 3J5RAPZ5EKNU · pith_short_16: 3J5RAPZ5EKNUPHQK · pith_short_8: 3J5RAPZ5

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/3J5RAPZ5EKNUPHQKTNC4WABG64 \
  | 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: da7b103f3d229b479e0a9b45cb0026f7167212648e28fd4ba2454f0d4b7e7556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6480eda45294281003638a5021736b421a8dabae9b0615ebca58abba2c1e25ba",
    "cross_cats_sorted": [
      "math.GN",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-07-28T19:14:21Z",
    "title_canon_sha256": "995fa18890c0065ad8b982557b3178bb91703fd8072db347f0c38e073a2ba2f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7392",
    "kind": "arxiv",
    "version": 3
  }
}