Pith Number

pith:C2AHS3ZZ

pith:2012:C2AHS3ZZ4GX4AK7VP4UYXCFECD

not attested not anchored not stored refs pending

Leveraging on Easy Java Simulation tool and open source computer simulation library to create interactive digital media for mass customization of high school physics curriculum

Loo Kang Wee, Wai Keong Mak

arxiv:1207.0219 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{C2AHS3ZZ4GX4AK7VP4UYXCFECD}

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	2026-05-18T03:51:59.851272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1680796f39e1afc02bf57f298b88a410fcbba081ff7bce9e0cd4b58f15246dba

Aliases

arxiv: 1207.0219 · arxiv_version: 1207.0219v1 · doi: 10.48550/arxiv.1207.0219 · pith_short_12: C2AHS3ZZ4GX4 · pith_short_16: C2AHS3ZZ4GX4AK7V · pith_short_8: C2AHS3ZZ

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/C2AHS3ZZ4GX4AK7VP4UYXCFECD \
  | 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: 1680796f39e1afc02bf57f298b88a410fcbba081ff7bce9e0cd4b58f15246dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc38fa29c4a99d14ec64253b41a800dc3738560bae463c8d180072d6ea17498",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-07-01T15:27:09Z",
    "title_canon_sha256": "9ff725f197499f02bb121295cb27eba9c3a7d30d366ec7e25302463a6500a757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0219",
    "kind": "arxiv",
    "version": 1
  }
}