Pith Number

pith:ZLKMHVJQ

pith:2019:ZLKMHVJQ44B3LE5PIYHZEKTGWM

not attested not anchored not stored refs pending

An empirical assessment of best-answer prediction models in technical Q&A sites

Fabio Calefato, Filippo Lanubile, Nicole Novielli

arxiv:1903.09522 v1 · 2019-03-22 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLKMHVJQ44B3LE5PIYHZEKTGWM}

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	2026-05-17T23:50:39.399431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cad4c3d530e703b593af460f922a66b33bad5d9b78383d1c0f9fc98586ff052d

Aliases

arxiv: 1903.09522 · arxiv_version: 1903.09522v1 · doi: 10.48550/arxiv.1903.09522 · pith_short_12: ZLKMHVJQ44B3 · pith_short_16: ZLKMHVJQ44B3LE5P · pith_short_8: ZLKMHVJQ

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/ZLKMHVJQ44B3LE5PIYHZEKTGWM \
  | 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: cad4c3d530e703b593af460f922a66b33bad5d9b78383d1c0f9fc98586ff052d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f9b2796e260a762afd2f8a006386405558ac55ee5bba2bd0f0867adafc3883",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-22T14:19:04Z",
    "title_canon_sha256": "521b18479804cf235f1fb347b7afa3869284364d3f3e0c42a722dc4fa8d7e9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09522",
    "kind": "arxiv",
    "version": 1
  }
}