Pith Number

pith:YLUXZETB

pith:2019:YLUXZETBW6PYGH2533YXDG3MXD

not attested not anchored not stored refs pending

Introduction to Regge Calculus for Gravitation

C.A.M. de Melo, C. Naldoni de Souza, R.R. Cuzinatto

arxiv:1904.01966 v1 · 2019-04-01 · gr-qc · hep-th · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLUXZETBW6PYGH2533YXDG3MXD}

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	2026-05-17T23:49:29.110639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2e97c9261b79f831f5ddef1719b6cb8e3857710394612b693a0f26e8bacc5df

Aliases

arxiv: 1904.01966 · arxiv_version: 1904.01966v1 · doi: 10.48550/arxiv.1904.01966 · pith_short_12: YLUXZETBW6PY · pith_short_16: YLUXZETBW6PYGH25 · pith_short_8: YLUXZETB

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/YLUXZETBW6PYGH2533YXDG3MXD \
  | 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: c2e97c9261b79f831f5ddef1719b6cb8e3857710394612b693a0f26e8bacc5df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2936b588758e6038df3e1eada7786a6b50617232e8cc125a040b73bcd28016d2",
    "cross_cats_sorted": [
      "hep-th",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-01T22:26:05Z",
    "title_canon_sha256": "6d40d387aafd599e3720d0b1cab740d7021775645ccfcdec4a8ef7502c02d6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01966",
    "kind": "arxiv",
    "version": 1
  }
}