Pith Number

pith:BN55I4TM

pith:2013:BN55I4TMSPKIKSFZALCMWXGS7X

not attested not anchored not stored refs pending

Purely geometric path integral for spin foams

Atousa Chaharsough Shirazi, Jonathan Engle

arxiv:1308.2946 v1 · 2013-08-13 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BN55I4TMSPKIKSFZALCMWXGS7X}

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	2026-05-18T01:48:15.789551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b7bd4726c93d48548b902c4cb5cd2fdc612a61a7c36e7c468005ee4653a1e55

Aliases

arxiv: 1308.2946 · arxiv_version: 1308.2946v1 · doi: 10.48550/arxiv.1308.2946 · pith_short_12: BN55I4TMSPKI · pith_short_16: BN55I4TMSPKIKSFZ · pith_short_8: BN55I4TM

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/BN55I4TMSPKIKSFZALCMWXGS7X \
  | 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: 0b7bd4726c93d48548b902c4cb5cd2fdc612a61a7c36e7c468005ee4653a1e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "788ddd993c3bb7267410aef32e3efc46fc817a0650650c7339654f8b778c77ec",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-13T19:12:41Z",
    "title_canon_sha256": "d02071dace2fa3409987e9deecfd5953cbb39ee2d0f487daaf6e9f0aeaea4b3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2946",
    "kind": "arxiv",
    "version": 1
  }
}