Pith Number

pith:WNZD4GQT

pith:2002:WNZD4GQTWLYMN644DC44ZI3L3K

not attested not anchored not stored refs pending

Mathematical Tutorials in Introductory Physics

Edward F. Redish, Michael C. Wittmann, Richard N. Steinberg

arxiv:physics/0207093 v1 · 2002-07-23 · 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{WNZD4GQTWLYMN644DC44ZI3L3K}

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	2026-05-18T01:38:09.226166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3723e1a13b2f0c6fb9c18b9cca36bda97b0d736be322e64ad12f7d23375f61d

Aliases

arxiv: physics/0207093 · arxiv_version: physics/0207093v1 · doi: 10.48550/arxiv.physics/0207093 · pith_short_12: WNZD4GQTWLYM · pith_short_16: WNZD4GQTWLYMN644 · pith_short_8: WNZD4GQT

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/WNZD4GQTWLYMN644DC44ZI3L3K \
  | 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: b3723e1a13b2f0c6fb9c18b9cca36bda97b0d736be322e64ad12f7d23375f61d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "092ef82670a012f71c4ede3abe47f7da9921c00eb4636bef0d0ad0a07790997d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2002-07-23T17:55:20Z",
    "title_canon_sha256": "cef11868a7265593f3cb6099b2650c4ec04baaed8ba654df528ede1a87aa8914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0207093",
    "kind": "arxiv",
    "version": 1
  }
}