Pith Number

pith:22IKEKPQ

pith:2025:22IKEKPQP6M4N7MVVNEJE7QIXI

not attested not anchored not stored refs pending

Feedback That Clicks: Introductory Physics Students' Valued Features in AI Feedback Generated From Self-Crafted and Engineered Prompts

Amogh Sirnoorkar, N. Sanjay Rebello

arxiv:2509.08516 v1 · 2025-09-10 · 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{22IKEKPQP6M4N7MVVNEJE7QIXI}

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	2026-07-05T12:08:31.516434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d690a229f07f99c6fd95ab48927e08ba352cee01c2ad381ce76a34e8706859f1

Aliases

arxiv: 2509.08516 · arxiv_version: 2509.08516v1 · doi: 10.48550/arxiv.2509.08516 · pith_short_12: 22IKEKPQP6M4 · pith_short_16: 22IKEKPQP6M4N7MV · pith_short_8: 22IKEKPQ

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/22IKEKPQP6M4N7MVVNEJE7QIXI \
  | 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: d690a229f07f99c6fd95ab48927e08ba352cee01c2ad381ce76a34e8706859f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdb8795c75aefe1458a3eccde4c19be15e977067a29f229f9061c343a30dd86",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2025-09-10T11:47:27Z",
    "title_canon_sha256": "816b1ed8ab36e61b8ba972c71f83d80cd4f28fbec388202b29ae5605a7e1cdfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08516",
    "kind": "arxiv",
    "version": 1
  }
}