Pith Number

pith:4LWYPKVY

pith:2011:4LWYPKVY43K4TEP3Q5VDLIAVLN

not attested not anchored not stored refs pending

The NumPy array: a structure for efficient numerical computation

Ga\"el Varoquaux (Parietal), S. Chris Colbert, Stefan Van Der Walt

arxiv:1102.1523 v1 · 2011-02-08 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LWYPKVY43K4TEP3Q5VDLIAVLN}

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.

Cited by

4 papers in Pith

The Causal Bootstrap: Bounding Smeared Spectral Functions from Non-Perturbative Euclidean Data

The emerging timescale of young star clusters regulated by cluster stellar mass

A generic $\omega_b$ tension in early-time solutions to the Hubble tension

Inferring the properties of a population of compact binaries in presence of selection effects

Receipt and verification

First computed	2026-05-18T04:26:56.193559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ed87aab8e6d5c991fb876a35a0155b54c6d53eb6359655eeb11545ddefdaa6

Aliases

arxiv: 1102.1523 · arxiv_version: 1102.1523v1 · doi: 10.48550/arxiv.1102.1523 · pith_short_12: 4LWYPKVY43K4 · pith_short_16: 4LWYPKVY43K4TEP3 · pith_short_8: 4LWYPKVY

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/4LWYPKVY43K4TEP3Q5VDLIAVLN \
  | 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: e2ed87aab8e6d5c991fb876a35a0155b54c6d53eb6359655eeb11545ddefdaa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae8708270c5016b950f94262af0e210baac9b0022e2876734199376162f9762",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2011-02-08T07:25:56Z",
    "title_canon_sha256": "9bd5c7e47a81bbc88959cdfb5dd8abbdf411f2b41734b1fa4ff3874dde445a6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1523",
    "kind": "arxiv",
    "version": 1
  }
}