Pith Number

pith:UUFHQMDZ

pith:2013:UUFHQMDZCNWFMS5GU4BESOCR6I

not attested not anchored not stored refs pending

Mapping densities in a noisy state space

Domenico Lippolis

arxiv:1303.0951 v1 · 2013-03-05 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUFHQMDZCNWFMS5GU4BESOCR6I}

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	2026-05-18T00:55:52.422567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a50a783079136c564ba6a702493851f202c0176de7e46ef83cc095654763fd9b

Aliases

arxiv: 1303.0951 · arxiv_version: 1303.0951v1 · doi: 10.48550/arxiv.1303.0951 · pith_short_12: UUFHQMDZCNWF · pith_short_16: UUFHQMDZCNWFMS5G · pith_short_8: UUFHQMDZ

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/UUFHQMDZCNWFMS5GU4BESOCR6I \
  | 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: a50a783079136c564ba6a702493851f202c0176de7e46ef83cc095654763fd9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf9d26fd83617302ca3c969aa513d8deeea77b6eeccd9206ba68e83d64d55787",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2013-03-05T07:41:11Z",
    "title_canon_sha256": "a95ccbe4eee65870058598c684e7e7150237d7bcd05ed5833867e40ffc760f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0951",
    "kind": "arxiv",
    "version": 1
  }
}