Pith Number

pith:DQAN7I2D

pith:2025:DQAN7I2DNMV33E3CDHGVU7FC26

not attested not anchored not stored refs pending

ScienceMeter: Tracking Scientific Knowledge Updates in Language Models

Hannaneh Hajishirzi, Shangbin Feng, Yike Wang, Yulia Tsvetkov

arxiv:2505.24302 v2 · 2025-05-30 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQAN7I2DNMV33E3CDHGVU7FC26}

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	2026-07-05T11:28:36.835053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c00dfa3436b2bbd936219cd5a7ca2d7858119edd1200f2e844455bce9a54f87

Aliases

arxiv: 2505.24302 · arxiv_version: 2505.24302v2 · doi: 10.48550/arxiv.2505.24302 · pith_short_12: DQAN7I2DNMV3 · pith_short_16: DQAN7I2DNMV33E3C · pith_short_8: DQAN7I2D

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/DQAN7I2DNMV33E3CDHGVU7FC26 \
  | 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: 1c00dfa3436b2bbd936219cd5a7ca2d7858119edd1200f2e844455bce9a54f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "713389bd00e0becbf55f4551cf6d959b0bc2d026b4e5f8d859c85ab54f45d036",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-30T07:28:20Z",
    "title_canon_sha256": "a13a6933ee1d154d5908f28662108d0b5e9df3f02318356f969f3df38d4f880b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24302",
    "kind": "arxiv",
    "version": 2
  }
}