Pith Number

pith:RSILE63I

pith:2020:RSILE63IFWVWCIFMZ6ZXYLH5NJ

not attested not anchored not stored refs pending

An Algorithm for Context-Free Path Queries over Graph Databases

Ciro M. Medeiros, Martin A. Musicante, Umberto S. Costa

arxiv:2004.03477 v1 · 2020-04-07 · cs.DB · cs.DS · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSILE63IFWVWCIFMZ6ZXYLH5NJ}

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	2026-07-05T00:53:26.531839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c90b27b682dab6120accfb37c2cfd6a65c36a645dfb4fbea65ef6a2b075400c

Aliases

arxiv: 2004.03477 · arxiv_version: 2004.03477v1 · doi: 10.48550/arxiv.2004.03477 · pith_short_12: RSILE63IFWVW · pith_short_16: RSILE63IFWVWCIFM · pith_short_8: RSILE63I

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/RSILE63IFWVWCIFMZ6ZXYLH5NJ \
  | 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: 8c90b27b682dab6120accfb37c2cfd6a65c36a645dfb4fbea65ef6a2b075400c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5f8e358209f6c9927f64200bbba1eb3638ffe4b5d77bbeaef6d27b2cefcba16",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-04-07T15:26:50Z",
    "title_canon_sha256": "68d0acbfda9709aa97250c0b4b0e0a83147c7a4a2ba27e46b27d2fded0187dd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03477",
    "kind": "arxiv",
    "version": 1
  }
}