Pith Number

pith:Q5MBIFTJ

pith:2010:Q5MBIFTJNFJMBAWIZARYFXS4VM

not attested not anchored not stored refs pending

The particle interpretation of N = 1 supersymmetric spin foams

E. R. Livine, J. P. Ryan, V. Baccetti

arxiv:1004.0672 v1 · 2010-04-05 · 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{Q5MBIFTJNFJMBAWIZARYFXS4VM}

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	2026-05-18T04:25:50.415515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87581416696952c082c8c82382de5cab344244b6531be45fff5aa579d36e8648

Aliases

arxiv: 1004.0672 · arxiv_version: 1004.0672v1 · doi: 10.48550/arxiv.1004.0672 · pith_short_12: Q5MBIFTJNFJM · pith_short_16: Q5MBIFTJNFJMBAWI · pith_short_8: Q5MBIFTJ

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/Q5MBIFTJNFJMBAWIZARYFXS4VM \
  | 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: 87581416696952c082c8c82382de5cab344244b6531be45fff5aa579d36e8648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d625d054a6a7f0f5996e8e616e2deb57823540a7273b4592b18809ca01fe0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-05T18:06:11Z",
    "title_canon_sha256": "882a8c3037aea8b747da0b748a239d3ced474bea0cd9b069363c6f3d8d5650e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0672",
    "kind": "arxiv",
    "version": 1
  }
}