Pith Number

pith:IVVTXWVU

pith:2021:IVVTXWVUQRYBYKTNDI7475G6AT

not attested not anchored not stored refs pending

Solving Tolman-Oppenheimer-Volkoff equations in $f(T)$ gravity: a novel approach applied to polytropic equations of state

H. G. M. Fortes, J. C. N. de Araujo

arxiv:2105.09118 v2 · 2021-05-19 · 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{IVVTXWVUQRYBYKTNDI7475G6AT}

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	2026-07-05T06:00:10.125664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456b3bdab484701c2a6d1a3fcff4de04cc6498538baba403e79bf4d9081c2481

Aliases

arxiv: 2105.09118 · arxiv_version: 2105.09118v2 · doi: 10.48550/arxiv.2105.09118 · pith_short_12: IVVTXWVUQRYB · pith_short_16: IVVTXWVUQRYBYKTN · pith_short_8: IVVTXWVU

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/IVVTXWVUQRYBYKTNDI7475G6AT \
  | 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: 456b3bdab484701c2a6d1a3fcff4de04cc6498538baba403e79bf4d9081c2481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6870d3b67d7136a7ac03d038e5095c123f769de4921324ed6fb8e2cf7d99876",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-05-19T13:20:36Z",
    "title_canon_sha256": "61a41fd030c826d3c58bcb4469c19de1095e0e4c4b71d5c12c203adf575de1fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09118",
    "kind": "arxiv",
    "version": 2
  }
}