Pith Number

pith:KZT5EP4B

pith:2026:KZT5EP4BJIFKMYQJWB5K2ZXKLE

not attested not anchored not stored refs pending

AI Agent for Reverse-Engineering Legacy Finite-Difference Code and Translating to Devito

Yinghan Hou, Zongyou Yang

arxiv:2601.18381 v2 · 2026-01-26 · cs.AI · 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{KZT5EP4BJIFKMYQJWB5K2ZXKLE}

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	2026-05-27T02:05:10.932716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5667d23f814a0aa66209b07aad66ea5919da6036fa3ebc5ed8186b9981b467db

Aliases

arxiv: 2601.18381 · arxiv_version: 2601.18381v2 · doi: 10.48550/arxiv.2601.18381 · pith_short_12: KZT5EP4BJIFK · pith_short_16: KZT5EP4BJIFKMYQJ · pith_short_8: KZT5EP4B

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/KZT5EP4BJIFKMYQJWB5K2ZXKLE \
  | 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: 5667d23f814a0aa66209b07aad66ea5919da6036fa3ebc5ed8186b9981b467db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c828b9d65fe1b544f8e500304a2f3eeadcfc1d7becf4490c4d44f21326ad7bc8",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-01-26T11:31:00Z",
    "title_canon_sha256": "cddd4f823173154b03ab95e288a4be5add170908ff544d71d8a865348d8ef15d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.18381",
    "kind": "arxiv",
    "version": 2
  }
}