Pith Number

pith:FCWF2IWY

pith:2011:FCWF2IWY45XPUAHRPAPXEG6WLH

not attested not anchored not stored refs pending

The Art of Data Science

Matthew J. Graham

arxiv:1106.3305 v1 · 2011-06-16 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCWF2IWY45XPUAHRPAPXEG6WLH}

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	2026-05-18T02:01:36.086767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ac5d22d8e76efa00f1781f721bd659d5171e41780ded1a9ffb299263cf2ba8

Aliases

arxiv: 1106.3305 · arxiv_version: 1106.3305v1 · doi: 10.48550/arxiv.1106.3305 · pith_short_12: FCWF2IWY45XP · pith_short_16: FCWF2IWY45XPUAHR · pith_short_8: FCWF2IWY

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/FCWF2IWY45XPUAHRPAPXEG6WLH \
  | 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: 28ac5d22d8e76efa00f1781f721bd659d5171e41780ded1a9ffb299263cf2ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ac3df46049b3bb0283b27d6d82b8b4a0ef9647f57f024663144ff0bf631d30",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-06-16T18:45:32Z",
    "title_canon_sha256": "98bf6d4a8d9e5c08feedfeab5331e2b53a8e0c790fab4223fc2217617a4b7eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3305",
    "kind": "arxiv",
    "version": 1
  }
}