Pith Number

pith:DZRWTSOD

pith:2021:DZRWTSODSMJA6K34WOAOQJR2GZ

not attested not anchored not stored refs pending

Riemann Tensor and Gauss-Bonnet density in Metric-Affine Cosmology

Damianos Iosifidis

arxiv:2104.10192 v2 · 2021-04-20 · 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{DZRWTSODSMJA6K34WOAOQJR2GZ}

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	2026-07-05T03:25:54.192306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e6369c9c393120f2b7cb380e8263a365a05dc7c6b52663822bf86736dbb1a5f

Aliases

arxiv: 2104.10192 · arxiv_version: 2104.10192v2 · doi: 10.48550/arxiv.2104.10192 · pith_short_12: DZRWTSODSMJA · pith_short_16: DZRWTSODSMJA6K34 · pith_short_8: DZRWTSOD

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/DZRWTSODSMJA6K34WOAOQJR2GZ \
  | 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: 1e6369c9c393120f2b7cb380e8263a365a05dc7c6b52663822bf86736dbb1a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56345013b18d95824a47c08ac1d16009c67fa8ffc7ce857aac1e8059d225b7e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-20T18:20:11Z",
    "title_canon_sha256": "ed17d2fcba068a9812d2d2dc1033a689766007e6c46bc99cdb3862a7c15ee79e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10192",
    "kind": "arxiv",
    "version": 2
  }
}