Pith Number

pith:FRZOUMFE

pith:2013:FRZOUMFEXWZWKJIMIZW2QBWDQE

not attested not anchored not stored refs pending

On house renovation and coauthoring (with a little excursus on the Holy Grail of bibliometrics)

Roberto Piazza

arxiv:1307.5647 v1 · 2013-07-22 · physics.soc-ph · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRZOUMFEXWZWKJIMIZW2QBWDQE}

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	2026-05-18T03:17:55.140112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c72ea30a4bdb365250c466da806c381190d06869564cd1a81413267835da59f

Aliases

arxiv: 1307.5647 · arxiv_version: 1307.5647v1 · doi: 10.48550/arxiv.1307.5647 · pith_short_12: FRZOUMFEXWZW · pith_short_16: FRZOUMFEXWZWKJIM · pith_short_8: FRZOUMFE

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/FRZOUMFEXWZWKJIMIZW2QBWDQE \
  | 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: 2c72ea30a4bdb365250c466da806c381190d06869564cd1a81413267835da59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79d55cfb511ad33a7309dbd1b39d093167e20023794ac87eadb7f40d847aaefc",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-07-22T10:19:01Z",
    "title_canon_sha256": "bed4c7938301d17dd1105591ea04868242163e4c6591a2a6466da5c84032fcd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5647",
    "kind": "arxiv",
    "version": 1
  }
}