Pith Number

pith:GWPF3IZL

pith:2013:GWPF3IZLTRJJQCRG7O6MYNKDGL

not attested not anchored not stored refs pending

Containment of Schema Mappings for Data Exchange (Preliminary Report)

Andrea Cal\`i, Riccardo Torlone

arxiv:1312.5912 v2 · 2013-12-20 · 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{GWPF3IZLTRJJQCRG7O6MYNKDGL}

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	2026-05-18T03:03:31.534144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

359e5da32b9c52980a26fbbccc354332f6fafc2439f718f134c30ab56c7ebb5a

Aliases

arxiv: 1312.5912 · arxiv_version: 1312.5912v2 · doi: 10.48550/arxiv.1312.5912 · pith_short_12: GWPF3IZLTRJJ · pith_short_16: GWPF3IZLTRJJQCRG · pith_short_8: GWPF3IZL

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/GWPF3IZLTRJJQCRG7O6MYNKDGL \
  | 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: 359e5da32b9c52980a26fbbccc354332f6fafc2439f718f134c30ab56c7ebb5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "827a7cde99b600bfa0611dc367a132e68df9284f034e9956c9145e0118210a20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-12-20T12:13:11Z",
    "title_canon_sha256": "721e9ce226e144d18546675639a5d5b229fdd4118440408fc2088055a17c4aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5912",
    "kind": "arxiv",
    "version": 2
  }
}