Pith Number

pith:2FXV345M

pith:2011:2FXV345MBJQLGNKJLBSFZJPBTQ

not attested not anchored not stored refs pending

Lorentzian spinfoam propagator

Eugenio Bianchi, You Ding

arxiv:1109.6538 v2 · 2011-09-29 · 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{2FXV345MBJQLGNKJLBSFZJPBTQ}

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.

Cited by

2 papers in Pith

Spinfoams, $\gamma$-duality and parity violation in primordial gravitational waves

Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Receipt and verification

First computed	2026-05-18T03:38:34.517008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16f5df3ac0a60b3354958645ca5e19c0422e5a7269c32f797dbc18cdb053016

Aliases

arxiv: 1109.6538 · arxiv_version: 1109.6538v2 · doi: 10.48550/arxiv.1109.6538 · pith_short_12: 2FXV345MBJQL · pith_short_16: 2FXV345MBJQLGNKJ · pith_short_8: 2FXV345M

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/2FXV345MBJQLGNKJLBSFZJPBTQ \
  | 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: d16f5df3ac0a60b3354958645ca5e19c0422e5a7269c32f797dbc18cdb053016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8256bb5822df8d10b67ca07cfae5103f148c969b6b2156193c06c865b87b8543",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-29T14:25:42Z",
    "title_canon_sha256": "db33588845d4359947c2981cd1dd332d85a235ec59bd439b774afc3207d0ac0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6538",
    "kind": "arxiv",
    "version": 2
  }
}