Pith Number

pith:W45J4MFE

pith:2020:W45J4MFEMRTA672XLYYYKL77IK

not attested not anchored not stored refs pending

Discrete gravity dynamics from effective spin foams

Bianca Dittrich, Hal M. Haggard, Seth K. Asante

arxiv:2011.14468 v2 · 2020-11-29 · 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{W45J4MFEMRTA672XLYYYKL77IK}

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

(2+1) Lorentzian quantum cosmology from spin-foams: opportunities and obstacles for semi-classicality

Receipt and verification

First computed	2026-07-05T02:55:35.725151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73a9e30a464660f7f575e31852fff429aa852fb675e63b8ef394b6bd7b92189

Aliases

arxiv: 2011.14468 · arxiv_version: 2011.14468v2 · doi: 10.48550/arxiv.2011.14468 · pith_short_12: W45J4MFEMRTA · pith_short_16: W45J4MFEMRTA672X · pith_short_8: W45J4MFE

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/W45J4MFEMRTA672XLYYYKL77IK \
  | 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: b73a9e30a464660f7f575e31852fff429aa852fb675e63b8ef394b6bd7b92189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93730d93e9f152f9f10d945c4e10bd0e61916b4dbba3153ea1792f5d49529eb2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-11-29T23:23:10Z",
    "title_canon_sha256": "e4816b72586b7bb24cd38decf382b6035a5ba168d7d79575e594abfd2501e3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.14468",
    "kind": "arxiv",
    "version": 2
  }
}