Pith Number

pith:MH54GYJK

pith:2021:MH54GYJKNOYJNS6JJXBC2BSTPL

not attested not anchored not stored refs pending

Megadiff: A Dataset of 600k Java Source Code Changes Categorized by Diff Size

Fernanda Madeiral, He Ye, Martin Monperrus, Matias Martinez, Thomas Durieux, Zhongxing Yu

arxiv:2108.04631 v1 · 2021-08-10 · 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{MH54GYJKNOYJNS6JJXBC2BSTPL}

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.

Cited by

1 paper in Pith

ContractTrace: Retracing Smart Contract Versions for Security Analyses

Receipt and verification

First computed	2026-07-05T03:04:32.214681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61fbc3612a6bb096cbc94dc22d06537af1b0b28623b51bb4ae091d9c4430ab81

Aliases

arxiv: 2108.04631 · arxiv_version: 2108.04631v1 · doi: 10.48550/arxiv.2108.04631 · pith_short_12: MH54GYJKNOYJ · pith_short_16: MH54GYJKNOYJNS6J · pith_short_8: MH54GYJK

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/MH54GYJKNOYJNS6JJXBC2BSTPL \
  | 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: 61fbc3612a6bb096cbc94dc22d06537af1b0b28623b51bb4ae091d9c4430ab81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b40f2270a4a9129d85a416220d7d193aa9c57f4dee335d5e02f5a57dcbf318",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-08-10T12:32:04Z",
    "title_canon_sha256": "c65505e01e5db1723cbbc999f6a7a6175cae9100558bdd783b7406300d255d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04631",
    "kind": "arxiv",
    "version": 1
  }
}