Pith Number

pith:MPF2E54Z

pith:2013:MPF2E54ZSGWMABGCBCNYLXOE5D

not attested not anchored not stored refs pending

A pilot experience in physics laboratory for a professional school

Maria De Nicola, Serena Frati, Simone Di Renzone, Vera Montalbano

arxiv:1310.4868 v2 · 2013-10-17 · 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{MPF2E54ZSGWMABGCBCNYLXOE5D}

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	2026-05-18T01:23:16.975802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63cba2779991acc004c2089b85ddc4e8c33b84cbf1b389a075fdabb351060203

Aliases

arxiv: 1310.4868 · arxiv_version: 1310.4868v2 · doi: 10.48550/arxiv.1310.4868 · pith_short_12: MPF2E54ZSGWM · pith_short_16: MPF2E54ZSGWMABGC · pith_short_8: MPF2E54Z

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/MPF2E54ZSGWMABGCBCNYLXOE5D \
  | 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: 63cba2779991acc004c2089b85ddc4e8c33b84cbf1b389a075fdabb351060203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "846c344e47af952b9f80b98828608a428794a3ad292a8bb03455626bcbff1ea3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-10-17T23:07:54Z",
    "title_canon_sha256": "85491990ea0b7a6c7f0bf42902d35140810a972c838e281ce8614b0404048a4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4868",
    "kind": "arxiv",
    "version": 2
  }
}