Pith Number

pith:FTLFA6LC

pith:2018:FTLFA6LCZFZ6YA2FQ4SH2PXNLY

not attested not anchored not stored refs pending

Gistable: Evaluating the Executability of Python Code Snippets on GitHub

Chris Parnin, Eric Horton

arxiv:1808.04919 v1 · 2018-08-14 · 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{FTLFA6LCZFZ6YA2FQ4SH2PXNLY}

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	2026-05-18T00:08:02.224198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cd6507962c973ec034587247d3eed5e242fe70c58bf55995d987f35366d7d3d

Aliases

arxiv: 1808.04919 · arxiv_version: 1808.04919v1 · doi: 10.48550/arxiv.1808.04919 · pith_short_12: FTLFA6LCZFZ6 · pith_short_16: FTLFA6LCZFZ6YA2F · pith_short_8: FTLFA6LC

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/FTLFA6LCZFZ6YA2FQ4SH2PXNLY \
  | 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: 2cd6507962c973ec034587247d3eed5e242fe70c58bf55995d987f35366d7d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fde1c976458d4c8e0d7ac230d2501cdd6f4bc702495e129d219a65684e26874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-08-14T22:48:11Z",
    "title_canon_sha256": "80f3eb31effa34014a60ef09ab56775a5a3d132fd3e0dbbb7a673350ddbb9fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04919",
    "kind": "arxiv",
    "version": 1
  }
}