Pith Number

pith:H6QJ4R64

pith:2026:H6QJ4R64VRYJ4TKGI5XYCIJCTG

not attested not anchored not stored refs pending

How Well Do AI Systems Solve AP Physics? A Comparative Evaluation of Large Language Models on Algebra-Based Free Response Questions

Bilas Paul, Jashandeep Kaur, Shantanu Chakraborty, Shruti Shrestha

arxiv:2603.07457 v1 · 2026-03-08 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6QJ4R64VRYJ4TKGI5XYCIJCTG}

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	2026-07-10T00:18:44.118676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa09e47dcac709e4d46476f8121229995b51febf2c406457b7b81da10f8dfef

Aliases

arxiv: 2603.07457 · arxiv_version: 2603.07457v1 · doi: 10.48550/arxiv.2603.07457 · pith_short_12: H6QJ4R64VRYJ · pith_short_16: H6QJ4R64VRYJ4TKG · pith_short_8: H6QJ4R64

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/H6QJ4R64VRYJ4TKGI5XYCIJCTG \
  | 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: 3fa09e47dcac709e4d46476f8121229995b51febf2c406457b7b81da10f8dfef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda93418deabad22c8621fe9c4384560c1ab06defc535b4d5a44463769408aa8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2026-03-08T04:16:06Z",
    "title_canon_sha256": "af62aac7b0cd07d3b55dc3de091effec81e654f8662af54557ae747bd8c72bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.07457",
    "kind": "arxiv",
    "version": 1
  }
}