Pith Number

pith:OPAV3JPF

pith:2012:OPAV3JPFTQLEFLDIUOYYDA2NUQ

not attested not anchored not stored refs pending

Video Analysis and Modeling Tool for Physics Education: A workshop for Redesigning Pedagogy

Loo Kang Wee, Tat Leong Lee

arxiv:1207.0220 v1 · 2012-07-01 · 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{OPAV3JPFTQLEFLDIUOYYDA2NUQ}

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	2026-05-18T03:51:59.844594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c15da5e59c1642ac68a3b181834da432ba8a4be928ba708e0f0ca97839441e

Aliases

arxiv: 1207.0220 · arxiv_version: 1207.0220v1 · doi: 10.48550/arxiv.1207.0220 · pith_short_12: OPAV3JPFTQLE · pith_short_16: OPAV3JPFTQLEFLDI · pith_short_8: OPAV3JPF

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/OPAV3JPFTQLEFLDIUOYYDA2NUQ \
  | 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: 73c15da5e59c1642ac68a3b181834da432ba8a4be928ba708e0f0ca97839441e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10962bff54d83cfc135d2e618f161b1adcf54567b5678503f9a26bfa49bf8229",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-07-01T15:31:13Z",
    "title_canon_sha256": "cdcfc523b7a1c1a50f1d6c62789fecb169cc3eab528fe8edff4f0e927b2e42b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0220",
    "kind": "arxiv",
    "version": 1
  }
}