Pith Number

pith:LROGHJLC

pith:2012:LROGHJLCCIU4DANMNV2AR5LDLN

not attested not anchored not stored refs pending

The role of context and culture in teaching physics: The implication of disciplinary differences

Edward F. Redish

arxiv:1207.4840 v1 · 2012-07-20 · 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{LROGHJLCCIU4DANMNV2AR5LDLN}

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	2026-05-18T03:50:35.024137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5c63a5621229c181ac6d7408f5635b694c0e01cd41741998cc2998e1126ae9

Aliases

arxiv: 1207.4840 · arxiv_version: 1207.4840v1 · doi: 10.48550/arxiv.1207.4840 · pith_short_12: LROGHJLCCIU4 · pith_short_16: LROGHJLCCIU4DANM · pith_short_8: LROGHJLC

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/LROGHJLCCIU4DANMNV2AR5LDLN \
  | 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: 5c5c63a5621229c181ac6d7408f5635b694c0e01cd41741998cc2998e1126ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5ab36e8a9fefae498417bc602a788d544af0e9451c0b12b62fa4d183d346534",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-07-20T02:21:22Z",
    "title_canon_sha256": "d1d5822e00d078ae504fb3f36ca682192930266cadf3375d792c9ff608839602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4840",
    "kind": "arxiv",
    "version": 1
  }
}