pith. sign in
Pith Number

pith:VTVDEW52

pith:2012:VTVDEW523MEPQQAD4GQ5BOF23K
not attested not anchored not stored refs pending

Two Algorithms for Finding $k$ Shortest Paths of a Weighted Pushdown Automaton

Ke Wu, Philip Resnik

arxiv:1212.0927 v3 · 2012-12-05 · cs.CL · cs.DS · cs.FL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VTVDEW523MEPQQAD4GQ5BOF23K}

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 2026-05-18T03:34:35.126941Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

acea325bbadb08f84003e1a1d0b8badaa9b82eb8408aa9745d5b588b0aec7c2c

Aliases

arxiv: 1212.0927 · arxiv_version: 1212.0927v3 · doi: 10.48550/arxiv.1212.0927 · pith_short_12: VTVDEW523MEP · pith_short_16: VTVDEW523MEPQQAD · pith_short_8: VTVDEW52
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VTVDEW523MEPQQAD4GQ5BOF23K \
  | 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: acea325bbadb08f84003e1a1d0b8badaa9b82eb8408aa9745d5b588b0aec7c2c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "211923b69b5b85d98cd85377515e5fd7dd02426b87d5915fec75e966125c76f0",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-12-05T03:50:46Z",
    "title_canon_sha256": "00d4cd82cdc422c5bdd322b43800d4d32a955728e56008cb0e55ec8e4d76d321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0927",
    "kind": "arxiv",
    "version": 3
  }
}