Pith Number

pith:K2FBRLGI

pith:2026:K2FBRLGI6LAW2FDWNEYZY7L3LB

not attested not anchored not stored refs pending

Assessing AI in Introductory Physics Problem Solving

Amir Bralin, N. Sanjay Rebello

arxiv:2607.14303 v1 · 2026-07-15 · physics.ed-ph · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2FBRLGI6LAW2FDWNEYZY7L3LB}

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	2026-07-17T00:21:04.284160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568a18acc8f2c16d147669319c7d7b58459509f2a2133a35386922f8833de296

Aliases

arxiv: 2607.14303 · arxiv_version: 2607.14303v1 · doi: 10.48550/arxiv.2607.14303 · pith_short_12: K2FBRLGI6LAW · pith_short_16: K2FBRLGI6LAW2FDW · pith_short_8: K2FBRLGI

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/K2FBRLGI6LAW2FDWNEYZY7L3LB \
  | 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: 568a18acc8f2c16d147669319c7d7b58459509f2a2133a35386922f8833de296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ad5876067b70667f0c4b97dca6660fbdad22a5f122b70b00c8815736517d82",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2026-07-15T19:08:56Z",
    "title_canon_sha256": "00a392ae5faa871f870bf4104fc793e0598da4e7ab60c59553279db3d7e0f224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14303",
    "kind": "arxiv",
    "version": 1
  }
}