Pith Number

pith:JH4HNJB5

pith:2016:JH4HNJB5DUIPAA2LHI4DX7KM2W

not attested not anchored not stored refs pending

Using Analogies to Learn Introductory Physics

Chandralekha Singh, Shih-Yin Lin

arxiv:1602.06388 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{JH4HNJB5DUIPAA2LHI4DX7KM2W}

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	2026-05-18T01:20:14.193403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f876a43d1d10f0034b3a383bfd4cd591661ec801b106705bba193c93c57a2f

Aliases

arxiv: 1602.06388 · arxiv_version: 1602.06388v1 · doi: 10.48550/arxiv.1602.06388 · pith_short_12: JH4HNJB5DUIP · pith_short_16: JH4HNJB5DUIPAA2L · pith_short_8: JH4HNJB5

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/JH4HNJB5DUIPAA2LHI4DX7KM2W \
  | 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: 49f876a43d1d10f0034b3a383bfd4cd591661ec801b106705bba193c93c57a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855d44cccb8aaa0bd631f1db05c2f60ea25b1dcc55ce425f5a8bd903db0e23e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-02-20T09:46:22Z",
    "title_canon_sha256": "b47854a9441e94fadd33bfdb42f4aaef5e5f3db562cb7f4e2967d1d7334079e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06388",
    "kind": "arxiv",
    "version": 1
  }
}