Pith Number

pith:UOD4XZVC

pith:2014:UOD4XZVCBKCTAP7O3VE2YGEBJH

not attested not anchored not stored refs pending

Fast computation of the circular map

Mohamed M.S. Nasser

arxiv:1403.5380 v1 · 2014-03-21 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOD4XZVCBKCTAP7O3VE2YGEBJH}

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	2026-05-18T02:04:00.413789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a387cbe6a20a85303feedd49ac188149c12602f411e6046741524d44ca48d4ef

Aliases

arxiv: 1403.5380 · arxiv_version: 1403.5380v1 · doi: 10.48550/arxiv.1403.5380 · pith_short_12: UOD4XZVCBKCT · pith_short_16: UOD4XZVCBKCTAP7O · pith_short_8: UOD4XZVC

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/UOD4XZVCBKCTAP7O3VE2YGEBJH \
  | 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: a387cbe6a20a85303feedd49ac188149c12602f411e6046741524d44ca48d4ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68c823880b72a6142b9f86f15f7cfe04c4cb0261bf4caab296e339683f1e80d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-03-21T07:09:28Z",
    "title_canon_sha256": "ab148e987d99f74d63ab918c975d2ab837bde12f0e5dbc6027742507320f57ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5380",
    "kind": "arxiv",
    "version": 1
  }
}