Pith Number

pith:N5UZEJFK

pith:2015:N5UZEJFKTGUHY36BKWVHFNZKFD

not attested not anchored not stored refs pending

Development of Habits Through Apprenticeship in a Community: Conceptual Model of Physics Teacher Preparation

Bor Gregorcic, Eugenia Etkina, Stamatis Vokos

arxiv:1507.02083 v2 · 2015-07-08 · 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{N5UZEJFKTGUHY36BKWVHFNZKFD}

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	2026-05-18T01:13:05.040204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f699224aa99a87c6fc155aa72b72a28d632bc45ab1be7e43287f9ebaa697ee9

Aliases

arxiv: 1507.02083 · arxiv_version: 1507.02083v2 · doi: 10.48550/arxiv.1507.02083 · pith_short_12: N5UZEJFKTGUH · pith_short_16: N5UZEJFKTGUHY36B · pith_short_8: N5UZEJFK

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/N5UZEJFKTGUHY36BKWVHFNZKFD \
  | 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: 6f699224aa99a87c6fc155aa72b72a28d632bc45ab1be7e43287f9ebaa697ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d738287911ddb65b7a6b02b64524ce850cb2b1b5338d03455425310e1d418a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-07-08T09:48:37Z",
    "title_canon_sha256": "ff91a256cd6e5389f6fe6f4235b7eba1b61538709e3f354ce277b382612f2434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02083",
    "kind": "arxiv",
    "version": 2
  }
}