Pith Number

pith:FBLXOPQX

pith:2013:FBLXOPQX4XDLH3GFWACR33TV6V

not attested not anchored not stored refs pending

On Graph Deltas for Historical Queries

Dimitris Souravlias, Evaggelia Pitoura, Georgia Koloniari

arxiv:1302.5549 v1 · 2013-02-22 · cs.DB · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBLXOPQX4XDLH3GFWACR33TV6V}

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	2026-05-18T03:32:46.426410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2857773e17e5c6b3ecc5b0051dee75f564caa791692af3d3833887412fa17085

Aliases

arxiv: 1302.5549 · arxiv_version: 1302.5549v1 · doi: 10.48550/arxiv.1302.5549 · pith_short_12: FBLXOPQX4XDL · pith_short_16: FBLXOPQX4XDLH3GF · pith_short_8: FBLXOPQX

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/FBLXOPQX4XDLH3GFWACR33TV6V \
  | 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: 2857773e17e5c6b3ecc5b0051dee75f564caa791692af3d3833887412fa17085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36840d03f51e31a78d797370299ce1864428acca1d5ebfd6b9a1232c60a02e92",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-02-22T11:01:11Z",
    "title_canon_sha256": "4d88bd950bdb79718c2f9f539b5f137f525ea043e68bcd6c5bedf2b207932f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5549",
    "kind": "arxiv",
    "version": 1
  }
}