Pith Number

pith:FDRIJLJX

pith:2015:FDRIJLJX5KL5POQR3YQ3KTRYTF

not attested not anchored not stored refs pending

Defining Data Science

Yangyong Zhu, Yun Xiong

arxiv:1501.05039 v1 · 2015-01-21 · cs.DB · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDRIJLJX5KL5POQR3YQ3KTRYTF}

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	2026-05-18T02:29:00.888472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e284ad37ea97d7ba11de21b54e38997e5fb494ef45b81836ce51e3656fd1f2

Aliases

arxiv: 1501.05039 · arxiv_version: 1501.05039v1 · doi: 10.48550/arxiv.1501.05039 · pith_short_12: FDRIJLJX5KL5 · pith_short_16: FDRIJLJX5KL5POQR · pith_short_8: FDRIJLJX

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/FDRIJLJX5KL5POQR3YQ3KTRYTF \
  | 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: 28e284ad37ea97d7ba11de21b54e38997e5fb494ef45b81836ce51e3656fd1f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9ab18c39dc3a6830b321a7f6ccdea8eee9184ef74eb3cc9673052a3720efced",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-01-21T02:41:55Z",
    "title_canon_sha256": "91fc6c95485b7a1754e597bf0205cd60bd5f494146ef1392f468f7d20a0e528a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05039",
    "kind": "arxiv",
    "version": 1
  }
}