Pith Number

pith:A64RID7X

pith:2010:A64RID7XI33H77LT7NEODXELCC

not attested not anchored not stored refs pending

Spinfoam Cosmology: quantum cosmology from the full theory

Francesca Vidotto

arxiv:1011.4705 v1 · 2010-11-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A64RID7XI33H77LT7NEODXELCC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T04:10:56.973814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b9140ff746f67ffd73fb48e1dc8b10a9e4fddbf5542af52e30110855f24d7c

Aliases

arxiv: 1011.4705 · arxiv_version: 1011.4705v1 · doi: 10.48550/arxiv.1011.4705 · pith_short_12: A64RID7XI33H · pith_short_16: A64RID7XI33H77LT · pith_short_8: A64RID7X

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/A64RID7XI33H77LT7NEODXELCC \
  | 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: 07b9140ff746f67ffd73fb48e1dc8b10a9e4fddbf5542af52e30110855f24d7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fdd34e3e566e96d584e83713545ac0787a80e8c77f4487b6956451283672e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-11-21T22:20:18Z",
    "title_canon_sha256": "f528b6db8fda2801f4cfec2e23686bc5de72efba9350c838b82b9d2f48b71262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4705",
    "kind": "arxiv",
    "version": 1
  }
}