pith. sign in
Pith Number

pith:HNPOJF4Q

pith:2014:HNPOJF4QT246EHFKS2IK6G3XL2
not attested not anchored not stored refs pending

Dealing with Zero Density Using Piecewise Phase-type Approximation

Jan Kr\v{c}\'al, \v{L}ubo\v{s} Koren\v{c}iak, Vojt\v{e}ch \v{R}eh\'ak

arxiv:1406.7527 v1 · 2014-06-29 · cs.PF

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HNPOJF4QT246EHFKS2IK6G3XL2}

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 2026-05-18T02:48:45.015753Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3b5ee497909eb9e21caa9690af1b775e8eb31bdec90fb26f38a72eb962e6f596

Aliases

arxiv: 1406.7527 · arxiv_version: 1406.7527v1 · doi: 10.48550/arxiv.1406.7527 · pith_short_12: HNPOJF4QT246 · pith_short_16: HNPOJF4QT246EHFK · pith_short_8: HNPOJF4Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HNPOJF4QT246EHFKS2IK6G3XL2 \
  | 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: 3b5ee497909eb9e21caa9690af1b775e8eb31bdec90fb26f38a72eb962e6f596
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "da8f3630a3db59ca9a88175c65e515bf1225c31fc5abff00342c625ea680ede8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2014-06-29T17:23:26Z",
    "title_canon_sha256": "7f783d590688e9be7569e29b42c57a510614cc3c91e24b9fdf14757fc472f201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7527",
    "kind": "arxiv",
    "version": 1
  }
}