Pith Number

pith:XKCHKCKU

pith:2021:XKCHKCKUPSUVQIGFNTM77K3UXO

not attested not anchored not stored refs pending

The Cosmology of Quadratic Torsionful Gravity

Damianos Iosifidis, Lucrezia Ravera

arxiv:2101.10339 v2 · 2021-01-25 · 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{XKCHKCKUPSUVQIGFNTM77K3UXO}

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	2026-07-05T03:20:19.810819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba847509547ca95820c56cd9ffab74bb80944dd96c10ee2f0fa76689ef49c213

Aliases

arxiv: 2101.10339 · arxiv_version: 2101.10339v2 · doi: 10.48550/arxiv.2101.10339 · pith_short_12: XKCHKCKUPSUV · pith_short_16: XKCHKCKUPSUVQIGF · pith_short_8: XKCHKCKU

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/XKCHKCKUPSUVQIGFNTM77K3UXO \
  | 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: ba847509547ca95820c56cd9ffab74bb80944dd96c10ee2f0fa76689ef49c213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73221458a819a1d33de3c5a3000dd80d6fcb00b07295653423ec97976e054645",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-01-25T19:00:03Z",
    "title_canon_sha256": "21d8b2b56bd368f1047cf843761bc696540ecd8e4b2315a27d07a0234b99387f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10339",
    "kind": "arxiv",
    "version": 2
  }
}