Pith Number

pith:QGHF4IPC

pith:2025:QGHF4IPCJ2ZBFKPL54TJ6LCWW3

not attested not anchored not stored refs pending

How Students Use AI Feedback Matters: Experimental Evidence on Physics Achievement and Autonomy

Huiqin Liu, Jianxiao Jiang, Xusheng Dai, Yu Zhang, Zhaochun Wen

arxiv:2505.08672 v2 · 2025-05-13 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGHF4IPCJ2ZBFKPL54TJ6LCWW3}

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	2026-07-05T11:03:24.879376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818e5e21e24eb212a9ebef269f2c56b6f76f3dbbcb1af3187ab61161295458c7

Aliases

arxiv: 2505.08672 · arxiv_version: 2505.08672v2 · doi: 10.48550/arxiv.2505.08672 · pith_short_12: QGHF4IPCJ2ZB · pith_short_16: QGHF4IPCJ2ZBFKPL · pith_short_8: QGHF4IPC

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/QGHF4IPCJ2ZBFKPL54TJ6LCWW3 \
  | 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: 818e5e21e24eb212a9ebef269f2c56b6f76f3dbbcb1af3187ab61161295458c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1355b820b4431b5207ea2e42b6d755afa52c8fe30e2f96e39eea9f40576d3750",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-05-13T15:32:44Z",
    "title_canon_sha256": "37617797282157aa1e70d0d6e898b8b43b79adaf336ab8bdced1b023d00cf969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08672",
    "kind": "arxiv",
    "version": 2
  }
}