Pith Number

pith:2IB3XIAY

pith:2018:2IB3XIAYU4WAWATOZGWDVIULWQ

not attested not anchored not stored refs pending

Variability of qualitative variables: A Hilbert space formulation

Juan D. Botero, Leonardo A. Pach\'on

arxiv:1805.02731 v1 · 2018-05-07 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IB3XIAYU4WAWATOZGWDVIULWQ}

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	2026-05-18T00:16:35.886408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d203bba018a72c0b026ec9ac3aa28bb4143b63dce62d0c5d7d1a1df1f820a389

Aliases

arxiv: 1805.02731 · arxiv_version: 1805.02731v1 · doi: 10.48550/arxiv.1805.02731 · pith_short_12: 2IB3XIAYU4WA · pith_short_16: 2IB3XIAYU4WAWATO · pith_short_8: 2IB3XIAY

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/2IB3XIAYU4WAWATOZGWDVIULWQ \
  | 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: d203bba018a72c0b026ec9ac3aa28bb4143b63dce62d0c5d7d1a1df1f820a389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9dbf9ccdf6453d55ce52a5e382b8276af69238e0f21a0b6de6ac6422f4ef82c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-05-07T20:29:44Z",
    "title_canon_sha256": "dce376e6e22db15e2509e3911d71d5c4f168d0b239ec9b005367a0753e2b36e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02731",
    "kind": "arxiv",
    "version": 1
  }
}