Pith Number

pith:CNRLLJMU

pith:2014:CNRLLJMUYNCRMQGP5FEYMXD2SH

not attested not anchored not stored refs pending

Vernier caliper and micrometer computer models using Easy Java Simulation and its pedagogical design feature-ideas to augment learning with real instruments

Hwee Tiang Ning, Loo Kang Wee

arxiv:1408.3803 v3 · 2014-08-17 · physics.ed-ph · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNRLLJMUYNCRMQGP5FEYMXD2SH}

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	2026-05-18T01:23:49.141711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1362b5a594c3451640cfe949865c7a91d8bc8ddbbbde5c5923c248c45bcab9b2

Aliases

arxiv: 1408.3803 · arxiv_version: 1408.3803v3 · doi: 10.48550/arxiv.1408.3803 · pith_short_12: CNRLLJMUYNCR · pith_short_16: CNRLLJMUYNCRMQGP · pith_short_8: CNRLLJMU

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/CNRLLJMUYNCRMQGP5FEYMXD2SH \
  | 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: 1362b5a594c3451640cfe949865c7a91d8bc8ddbbbde5c5923c248c45bcab9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1da781b332662a5f1b9c0fd889de3288c4c6ed567e6a15a7df15b1ed4f7d5356",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-08-17T07:49:00Z",
    "title_canon_sha256": "69503a2a5229286ed1ae3816f0c245a9733ccc6e1dc4b1193cc56ce7d5c8025e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3803",
    "kind": "arxiv",
    "version": 3
  }
}