Pith Number

pith:6TR5LTKX

pith:2021:6TR5LTKXFLRUQYI3BU7AUHPCZI

not attested not anchored not stored refs pending

QuaPy: A Python-Based Framework for Quantification

Alejandro Moreo, Andrea Esuli, Fabrizio Sebastiani

arxiv:2106.11057 v1 · 2021-06-18 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TR5LTKXFLRUQYI3BU7AUHPCZI}

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	2026-07-05T02:50:56.388798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4e3d5cd572ae348611b0d3e0a1de2ca1db090aee6887ad7f2bc99f7ab264b98

Aliases

arxiv: 2106.11057 · arxiv_version: 2106.11057v1 · doi: 10.48550/arxiv.2106.11057 · pith_short_12: 6TR5LTKXFLRU · pith_short_16: 6TR5LTKXFLRUQYI3 · pith_short_8: 6TR5LTKX

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/6TR5LTKXFLRUQYI3BU7AUHPCZI \
  | 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: f4e3d5cd572ae348611b0d3e0a1de2ca1db090aee6887ad7f2bc99f7ab264b98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fafff2ebabf322fcb6b5fd2b6f28b8e2f952561bd7169df1a32a0e99c4a3d202",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-18T13:57:11Z",
    "title_canon_sha256": "45105ff6b9b787b6217f5ac440af8ef8e8e4d88e99e1822d00a55c0c7d97c692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11057",
    "kind": "arxiv",
    "version": 1
  }
}