Pith Number

pith:CJJG63WT

pith:2019:CJJG63WTYFVVW4WM5YJJS257BS

not attested not anchored not stored refs pending

A Semi-Automated Approach for Information Extraction, Classification and Analysis of Unstructured Data

Alberto Purpura, Marco Calaresu

arxiv:1910.12734 v1 · 2019-10-20 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJJG63WTYFVVW4WM5YJJS257BS}

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	2026-07-05T00:15:19.802133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12526f6ed3c16b5b72ccee12996bbf0c8e19469dbac59a68db9bfbeb27431f4c

Aliases

arxiv: 1910.12734 · arxiv_version: 1910.12734v1 · doi: 10.48550/arxiv.1910.12734 · pith_short_12: CJJG63WTYFVV · pith_short_16: CJJG63WTYFVVW4WM · pith_short_8: CJJG63WT

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/CJJG63WTYFVVW4WM5YJJS257BS \
  | 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: 12526f6ed3c16b5b72ccee12996bbf0c8e19469dbac59a68db9bfbeb27431f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7260e02ea276689fb89af771d3828cb8935afb93eced3ac9146e3cb225c2011",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-10-20T12:06:40Z",
    "title_canon_sha256": "cb3409edce297f522ce960a140656a772b23cc95037fa255b7e749c689eba810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12734",
    "kind": "arxiv",
    "version": 1
  }
}