Pith Number

pith:EREPW6XD

pith:2020:EREPW6XDGLAK7T43ERKCWZTL42

not attested not anchored not stored refs pending

Generating Question Titles for Stack Overflow from Mined Code Snippets

David Lo, John Grundy, Xin Xia, Yuan-Fang Li, Zhipeng Gao

arxiv:2005.10157 v2 · 2020-05-20 · 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{EREPW6XDGLAK7T43ERKCWZTL42}

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	2026-07-05T02:54:50.206624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2448fb7ae332c0afcf9b24542b666be6afdce462ebe277078e15b78e8b71df7d

Aliases

arxiv: 2005.10157 · arxiv_version: 2005.10157v2 · doi: 10.48550/arxiv.2005.10157 · pith_short_12: EREPW6XDGLAK · pith_short_16: EREPW6XDGLAK7T43 · pith_short_8: EREPW6XD

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/EREPW6XDGLAK7T43ERKCWZTL42 \
  | 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: 2448fb7ae332c0afcf9b24542b666be6afdce462ebe277078e15b78e8b71df7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def6ad7aea8468254cbec3f0bf06de4c7f4b9052b1547368ab4c775437d19d31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-05-20T16:02:07Z",
    "title_canon_sha256": "866562b3681bac5d85848daebc029d8f8e38be3f1bc0e3864537a7bd81a0721e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10157",
    "kind": "arxiv",
    "version": 2
  }
}