Pith Number

pith:E33C6YOU

pith:2013:E33C6YOUEFIHJVAEV2VLHKXKUT

not attested not anchored not stored refs pending

Anisotropic Spinfoam Cosmology

David Sloan, Julian Rennert

arxiv:1308.0687 v2 · 2013-08-03 · 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{E33C6YOUEFIHJVAEV2VLHKXKUT}

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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T03:06:42.712520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26f62f61d4215074d404aeaab3aaeaa4dd4f8774d1f33c014947b0abfd61c69a

Aliases

arxiv: 1308.0687 · arxiv_version: 1308.0687v2 · doi: 10.48550/arxiv.1308.0687 · pith_short_12: E33C6YOUEFIH · pith_short_16: E33C6YOUEFIHJVAE · pith_short_8: E33C6YOU

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/E33C6YOUEFIHJVAEV2VLHKXKUT \
  | 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: 26f62f61d4215074d404aeaab3aaeaa4dd4f8774d1f33c014947b0abfd61c69a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c2f5d069076e0942e640bdf05b533035d2034a4b0e85bdb0754e040c23d7727",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-03T11:59:36Z",
    "title_canon_sha256": "250839a05aa31b41f429dca60c618c0908dee9d3c338ca449da80ebf0c0b514e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0687",
    "kind": "arxiv",
    "version": 2
  }
}