Pith Number

pith:3HPRNSHM

pith:2013:3HPRNSHMRDJ3JVPL6625TX2XNE

not attested not anchored not stored refs pending

De- and Re-constructing Introductory Physics for the Life Sciences

Dawn C. Meredith, Edward F. Redish

arxiv:1304.1895 v1 · 2013-04-06 · 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{3HPRNSHMRDJ3JVPL6625TX2XNE}

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	2026-05-18T03:28:44.854045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9df16c8ec88d3b4d5ebf7b5d9df5769043de8698a820a9ba63dddb2a5136cdf

Aliases

arxiv: 1304.1895 · arxiv_version: 1304.1895v1 · doi: 10.48550/arxiv.1304.1895 · pith_short_12: 3HPRNSHMRDJ3 · pith_short_16: 3HPRNSHMRDJ3JVPL · pith_short_8: 3HPRNSHM

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/3HPRNSHMRDJ3JVPL6625TX2XNE \
  | 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: d9df16c8ec88d3b4d5ebf7b5d9df5769043de8698a820a9ba63dddb2a5136cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6789c838d5c4c8ce8e34901fbffdbd45acb776401470acb0e8ebc49a0f2806a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-04-06T14:25:50Z",
    "title_canon_sha256": "887212dadaad2ac2724d3dc57a574a02ce67fb6211229891ede1c73deec85037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1895",
    "kind": "arxiv",
    "version": 1
  }
}