Pith Number

pith:PXORSDTO

pith:2013:PXORSDTOU466GKMSKYJHSFPMXC

not attested not anchored not stored refs pending

Incorporating learning goals about modeling into an upper-division physics laboratory experiment

Benjamin M. Zwickl, H. J. Lewandowski, Noah Finkelstein

arxiv:1301.4414 v2 · 2013-01-18 · 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{PXORSDTOU466GKMSKYJHSFPMXC}

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	2026-05-18T01:52:05.811369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ddd190e6ea73de3299256127915ecb892e59b2b6c1c4bc62dc1f85c9421e7c9

Aliases

arxiv: 1301.4414 · arxiv_version: 1301.4414v2 · doi: 10.48550/arxiv.1301.4414 · pith_short_12: PXORSDTOU466 · pith_short_16: PXORSDTOU466GKMS · pith_short_8: PXORSDTO

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/PXORSDTOU466GKMSKYJHSFPMXC \
  | 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: 7ddd190e6ea73de3299256127915ecb892e59b2b6c1c4bc62dc1f85c9421e7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5399d03d17cccb62eeaf14724eab795c3468191505c79a7ac529f1ef101846d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-01-18T16:05:56Z",
    "title_canon_sha256": "9087e776ccfa072bb9d06a93ef2fcde5154e904f268493a67a37a17a5472e081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4414",
    "kind": "arxiv",
    "version": 2
  }
}