Pith Number

pith:YZXIYO4Q

pith:2007:YZXIYO4QSGNUOIBU652C75XWWB

not attested not anchored not stored refs pending

Applying a resources framework to analysis of the Force and Motion Conceptual Evaluation

Michael C. Wittmann, Trevor I. Smith

arxiv:0711.1838 v2 · 2007-11-12 · 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{YZXIYO4QSGNUOIBU652C75XWWB}

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	2026-05-18T01:35:17.100934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c66e8c3b90919b472034f7742ff6f6b0795af2370640107a1b6f05b56da48a82

Aliases

arxiv: 0711.1838 · arxiv_version: 0711.1838v2 · doi: 10.48550/arxiv.0711.1838 · pith_short_12: YZXIYO4QSGNU · pith_short_16: YZXIYO4QSGNUOIBU · pith_short_8: YZXIYO4Q

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/YZXIYO4QSGNUOIBU652C75XWWB \
  | 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: c66e8c3b90919b472034f7742ff6f6b0795af2370640107a1b6f05b56da48a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d84d090cc7e4a0f612d2fc53da6cedae338a3b066d15a5448539188977049d7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2007-11-12T18:11:32Z",
    "title_canon_sha256": "907f4b8a2c7b7c59b59cad7c5b643285b888122f85123baecb89e5a85387f8cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1838",
    "kind": "arxiv",
    "version": 2
  }
}