Pith Number

pith:3TEDV2XI

pith:2013:3TEDV2XI4URJA5IR3CMKTVCOVN

not attested not anchored not stored refs pending

Understanding Branch Cuts of Expressions

David Wilson, James H. Davenport, Matthew England, Russell Bradford

arxiv:1304.7223 v3 · 2013-04-26 · cs.MS · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TEDV2XI4URJA5IR3CMKTVCOVN}

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	2026-05-18T03:19:01.113923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcc83aeae8e522907511d898a9d44eab402ba203206404c5d01b70ad408a34c2

Aliases

arxiv: 1304.7223 · arxiv_version: 1304.7223v3 · doi: 10.48550/arxiv.1304.7223 · pith_short_12: 3TEDV2XI4URJ · pith_short_16: 3TEDV2XI4URJA5IR · pith_short_8: 3TEDV2XI

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/3TEDV2XI4URJA5IR3CMKTVCOVN \
  | 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: dcc83aeae8e522907511d898a9d44eab402ba203206404c5d01b70ad408a34c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f4920ed9d8eaca45fdd645e26f4f77fa5b50df452073132dd08987b743f1212",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2013-04-26T16:46:48Z",
    "title_canon_sha256": "76dc23b516169aab5f1d43decd3db9c9ef42c610a20ec449cbeca395004a8024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7223",
    "kind": "arxiv",
    "version": 3
  }
}