Pith Number

pith:O4OEYXKO

pith:2012:O4OEYXKOFKDJJYYZWBESC2OZ4R

not attested not anchored not stored refs pending

Pushing the Boundaries of Crowd-enabled Databases with Query-driven Schema Expansion

Christoph Lofi, Joachim Selke, Wolf-Tilo Balke

arxiv:1203.0057 v1 · 2012-03-01 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4OEYXKOFKDJJYYZWBESC2OZ4R}

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	2026-05-18T02:21:17.402537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771c4c5d4e2a8694e319b0492169d9e468131bcd2806a8ae9ac17b5404736fb0

Aliases

arxiv: 1203.0057 · arxiv_version: 1203.0057v1 · doi: 10.48550/arxiv.1203.0057 · pith_short_12: O4OEYXKOFKDJ · pith_short_16: O4OEYXKOFKDJJYYZ · pith_short_8: O4OEYXKO

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/O4OEYXKOFKDJJYYZWBESC2OZ4R \
  | 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: 771c4c5d4e2a8694e319b0492169d9e468131bcd2806a8ae9ac17b5404736fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9843b7db8428807308493d07a95e83bb8d10b9638bdd8cc9965a896e654264d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-03-01T00:17:22Z",
    "title_canon_sha256": "cff6b12f5a68b89230388f6fb4431418b6a53dcd07f19be4133cf0d77e7cbd7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0057",
    "kind": "arxiv",
    "version": 1
  }
}