Pith Number

pith:ZRPTDVK5

pith:2025:ZRPTDVK556K23VPPHZXP6LA2W4

not attested not anchored not stored refs pending

Memorization vs. Reasoning: Updating LLMs with New Knowledge

Aochong Oliver Li, Tanya Goyal

arxiv:2504.12523 v1 · 2025-04-16 · cs.CL · cs.AI · 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{ZRPTDVK556K23VPPHZXP6LA2W4}

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

ScienceMeter: Tracking Scientific Knowledge Updates in Language Models

Receipt and verification

First computed	2026-07-05T10:50:17.772295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc5f31d55def95add5ef3e6eff2c1ab7361511f3f5e3505d711301b13c1dcbf7

Aliases

arxiv: 2504.12523 · arxiv_version: 2504.12523v1 · doi: 10.48550/arxiv.2504.12523 · pith_short_12: ZRPTDVK556K2 · pith_short_16: ZRPTDVK556K23VPP · pith_short_8: ZRPTDVK5

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/ZRPTDVK556K23VPPHZXP6LA2W4 \
  | 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: cc5f31d55def95add5ef3e6eff2c1ab7361511f3f5e3505d711301b13c1dcbf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ef7ab607e29157bdfbf844fbe50dc6e2d5f926cb5e3f8eb62c743db7916cfd3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-16T23:03:40Z",
    "title_canon_sha256": "f0f211624a087a563a2fb35b4df7be9845229c2359df7d41a4521253e9877c69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12523",
    "kind": "arxiv",
    "version": 1
  }
}