Pith Number

pith:BRHU4WI7

pith:2012:BRHU4WI7C3TEINXIXHLIJ77RIX

not attested not anchored not stored refs pending

An empirical study on a learning path on wave physics focused on energy

Simone Di Renzone, Vera Montalbano

arxiv:1212.2174 v1 · 2012-12-10 · 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{BRHU4WI7C3TEINXIXHLIJ77RIX}

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	2026-05-18T01:23:17.071341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c4f4e591f16e64436e8b9d684fff145f67522ac4a8540a7bc90b80aa3e80798

Aliases

arxiv: 1212.2174 · arxiv_version: 1212.2174v1 · doi: 10.48550/arxiv.1212.2174 · pith_short_12: BRHU4WI7C3TE · pith_short_16: BRHU4WI7C3TEINXI · pith_short_8: BRHU4WI7

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/BRHU4WI7C3TEINXIXHLIJ77RIX \
  | 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: 0c4f4e591f16e64436e8b9d684fff145f67522ac4a8540a7bc90b80aa3e80798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7f18961c79c8d3d74b99aca01fe7e5481a224391552920ce0b3bedcb19402d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-12-10T19:29:17Z",
    "title_canon_sha256": "a82437d25ae5dab28fb56415a5a0a761b5ce8bcfa0a8c02db47fadeee720c123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2174",
    "kind": "arxiv",
    "version": 1
  }
}