Pith Number

pith:QQNDWLVI

pith:2013:QQNDWLVIT3XQM5EIPD6GXCFZ5Y

not attested not anchored not stored refs pending

A Principled Approach to Bridging the Gap between Graph Data and their Schemas

Achille Fokoue, Anastasios Kementsietsidis, Gonzalo I. Diaz, Kavitha Srinivas, Marcelo Arenas

arxiv:1308.5703 v2 · 2013-08-26 · 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{QQNDWLVIT3XQM5EIPD6GXCFZ5Y}

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	2026-05-18T02:57:17.815104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841a3b2ea89eef06748878fc6b88b9ee024a4df73a2f05cf607fc625766acb9e

Aliases

arxiv: 1308.5703 · arxiv_version: 1308.5703v2 · doi: 10.48550/arxiv.1308.5703 · pith_short_12: QQNDWLVIT3XQ · pith_short_16: QQNDWLVIT3XQM5EI · pith_short_8: QQNDWLVI

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/QQNDWLVIT3XQM5EIPD6GXCFZ5Y \
  | 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: 841a3b2ea89eef06748878fc6b88b9ee024a4df73a2f05cf607fc625766acb9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c9a875391acb8781b1fc29116f36d78d7f2bcbf90564a349a98730c317d2946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-08-26T21:26:00Z",
    "title_canon_sha256": "04b8d6daa31ed94ef3d41b75064568cd23c992661af43d6ad3123abb74300859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5703",
    "kind": "arxiv",
    "version": 2
  }
}