Pith Number

pith:WZGFFB2I

pith:2021:WZGFFB2IKOW3DMXQWRJOXTYU4V

not attested not anchored not stored refs pending

Improved Retrieval of Programming Solutions With Code Examples Using a Multi-featured Score

Carlos Eduardo Dantas, Chanchal Roy, Foutse Khomh, Marcelo A. Maia, M. Masudur Rahman, Rodrigo F. Silva

arxiv:2108.02702 v1 · 2021-08-05 · 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{WZGFFB2IKOW3DMXQWRJOXTYU4V}

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	2026-07-05T03:03:35.469241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b64c52874853adb1b2f0b452ebcf14e56d7fb56cd32870b01056fa8d516c78d1

Aliases

arxiv: 2108.02702 · arxiv_version: 2108.02702v1 · doi: 10.48550/arxiv.2108.02702 · pith_short_12: WZGFFB2IKOW3 · pith_short_16: WZGFFB2IKOW3DMXQ · pith_short_8: WZGFFB2I

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/WZGFFB2IKOW3DMXQWRJOXTYU4V \
  | 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: b64c52874853adb1b2f0b452ebcf14e56d7fb56cd32870b01056fa8d516c78d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebeb297bc891d3a60ed568df10e57a8c07d09a1d32d93fc717b4f7d13b783992",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-08-05T16:11:00Z",
    "title_canon_sha256": "7cf3e16c7e32e2863c138a737c44a20ea386fbf096a581829d5aabe4d7ea602a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02702",
    "kind": "arxiv",
    "version": 1
  }
}