Pith Number

pith:CTW5D2M5

pith:2021:CTW5D2M5GXLTHE2XMNORVT5CY5

not attested not anchored not stored refs pending

Unsupervised Learning of General-Purpose Embeddings for Code Changes

Egor Bogomolov, Mikhail Pravilov, Timofey Bryksin, Yaroslav Golubev

arxiv:2106.02087 v2 · 2021-06-03 · cs.SE · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTW5D2M5GXLTHE2XMNORVT5CY5}

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	2026-07-05T02:56:28.259195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14edd1e99d35d7339357635d1acfa2c76d0e8c493a3f8e4dbf25b4bf95bc4ac0

Aliases

arxiv: 2106.02087 · arxiv_version: 2106.02087v2 · doi: 10.48550/arxiv.2106.02087 · pith_short_12: CTW5D2M5GXLT · pith_short_16: CTW5D2M5GXLTHE2X · pith_short_8: CTW5D2M5

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/CTW5D2M5GXLTHE2XMNORVT5CY5 \
  | 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: 14edd1e99d35d7339357635d1acfa2c76d0e8c493a3f8e4dbf25b4bf95bc4ac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a7d0fe149fc73880f11a889d42b563687297cf02cfb50988b4f7306010dbcc2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-06-03T19:08:53Z",
    "title_canon_sha256": "9af8348b7434afe7a328394bca929dae00bb994310ab36c65d200b709e1d6e60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02087",
    "kind": "arxiv",
    "version": 2
  }
}