Pith Number

pith:MN4B3TSN

pith:2016:MN4B3TSNYP6ROWSR3UX7TSPNR5

not attested not anchored not stored refs pending

Challenges in Analogical Reasoning

Chandralekha Singh, Shih-Yin Lin

arxiv:1602.06423 v1 · 2016-02-20 · 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{MN4B3TSNYP6ROWSR3UX7TSPNR5}

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	2026-05-18T01:20:14.064773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63781dce4dc3fd175a51dd2ff9c9ed8f488949da4b264eb0222fc1c1488edd83

Aliases

arxiv: 1602.06423 · arxiv_version: 1602.06423v1 · doi: 10.48550/arxiv.1602.06423 · pith_short_12: MN4B3TSNYP6R · pith_short_16: MN4B3TSNYP6ROWSR · pith_short_8: MN4B3TSN

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/MN4B3TSNYP6ROWSR3UX7TSPNR5 \
  | 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: 63781dce4dc3fd175a51dd2ff9c9ed8f488949da4b264eb0222fc1c1488edd83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7946a84431686fec85a5424950c808c78dda83b77d2b414445da42db12c331f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-02-20T16:04:54Z",
    "title_canon_sha256": "36a3edb33aad9dc27fc9fc88cfd6b6367739db37fdc9f28d28996706206680b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06423",
    "kind": "arxiv",
    "version": 1
  }
}