Pith Number

pith:2KUWWET4

pith:2017:2KUWWET4Y6GKUW4XHTQ2NNCXBQ

not attested not anchored not stored refs pending

A More Accurate Model for Finding Tutorial Segments Explaining APIs

David Lo, He Jiang, Jingxuan Zhang, Xiaochen LI, Zhilei Ren

arxiv:1703.01553 v1 · 2017-03-05 · 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{2KUWWET4Y6GKUW4XHTQ2NNCXBQ}

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	2026-05-18T00:49:30.336410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2a96b127cc78caa5b973ce1a6b4570c2ac1b354521bedfd39d048d3955f4691

Aliases

arxiv: 1703.01553 · arxiv_version: 1703.01553v1 · doi: 10.48550/arxiv.1703.01553 · pith_short_12: 2KUWWET4Y6GK · pith_short_16: 2KUWWET4Y6GKUW4X · pith_short_8: 2KUWWET4

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/2KUWWET4Y6GKUW4XHTQ2NNCXBQ \
  | 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: d2a96b127cc78caa5b973ce1a6b4570c2ac1b354521bedfd39d048d3955f4691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9226b476c42a3cbb4e6b1c757e024a11502036ad97eb31cf8346fc54f2fa41b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-03-05T03:42:38Z",
    "title_canon_sha256": "f81ab6b92fb28ad73f9b19f120b9404175163702651305466b6801c078490c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01553",
    "kind": "arxiv",
    "version": 1
  }
}