Pith Number

pith:O53WDFVJ

pith:2019:O53WDFVJWE3LCNOZO3JMEIIFSV

not attested not anchored not stored refs pending

Analyzing and Supporting Adaptation of Online Code Examples

Cristina Videira Lopes, Di Yang, Miryung Kim, Tianyi Zhang

arxiv:1905.12111 v1 · 2019-05-28 · 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{O53WDFVJWE3LCNOZO3JMEIIFSV}

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	2026-05-17T23:44:48.924542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77776196a9b136b135d976d2c221059579432a223809304f8f22eae701b522b3

Aliases

arxiv: 1905.12111 · arxiv_version: 1905.12111v1 · doi: 10.48550/arxiv.1905.12111 · pith_short_12: O53WDFVJWE3L · pith_short_16: O53WDFVJWE3LCNOZ · pith_short_8: O53WDFVJ

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/O53WDFVJWE3LCNOZO3JMEIIFSV \
  | 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: 77776196a9b136b135d976d2c221059579432a223809304f8f22eae701b522b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d696a8b272d8e3b707fcbfabd8f90735d7170d14d048270d0d95db9a414fb18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-05-28T21:56:21Z",
    "title_canon_sha256": "f59c9c19990763e62d4129f0721e03af5f189e91c7494c5c64141026c51674f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12111",
    "kind": "arxiv",
    "version": 1
  }
}