Pith Number

pith:LBYDYOMV

pith:2010:LBYDYOMV5C2LP2Q3WDFW2C7HNZ

not attested not anchored not stored refs pending

Spinfoams in the holomorphic representation

Claudio Perini, Elena Magliaro, Eugenio Bianchi

arxiv:1004.4550 v3 · 2010-04-26 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBYDYOMV5C2LP2Q3WDFW2C7HNZ}

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	2026-05-18T04:32:34.727815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58703c3995e8b4b7ea1bb0cb6d0be76e590007a9dd4b7ec36072526f4560b5e0

Aliases

arxiv: 1004.4550 · arxiv_version: 1004.4550v3 · doi: 10.48550/arxiv.1004.4550 · pith_short_12: LBYDYOMV5C2L · pith_short_16: LBYDYOMV5C2LP2Q3 · pith_short_8: LBYDYOMV

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/LBYDYOMV5C2LP2Q3WDFW2C7HNZ \
  | 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: 58703c3995e8b4b7ea1bb0cb6d0be76e590007a9dd4b7ec36072526f4560b5e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f39eb3780a5d1bd5232093a3a77b32ffd7cd0a07ccfbc959325fbec16f69d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-26T15:17:37Z",
    "title_canon_sha256": "f537235de07274ff1a9f88c9d242301edae84ae870432611e0275383bf7f8feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4550",
    "kind": "arxiv",
    "version": 3
  }
}