Pith Number

pith:SK7WVWCP

pith:2026:SK7WVWCP2XQWK5J6D4BK34J4JX

not attested not anchored not stored refs pending

Covariant Tolman-Oppenheimer-Volkoff equations in Energy-Momentum Squared Gravity

Eduardo Bittencourt, Mariam Campbell, Peter K. S. Dunsby, Sergio E. Jor\'as

arxiv:2606.19879 v1 · 2026-06-18 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SK7WVWCP2XQWK5J6D4BK34J4JX}

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	2026-06-19T16:12:37.638530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92bf6ad84fd5e165753e1f02adf13c4dd0c68d65b7e6fc2505a49862bb6f5ca0

Aliases

arxiv: 2606.19879 · arxiv_version: 2606.19879v1 · doi: 10.48550/arxiv.2606.19879 · pith_short_12: SK7WVWCP2XQW · pith_short_16: SK7WVWCP2XQWK5J6 · pith_short_8: SK7WVWCP

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/SK7WVWCP2XQWK5J6D4BK34J4JX \
  | 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: 92bf6ad84fd5e165753e1f02adf13c4dd0c68d65b7e6fc2505a49862bb6f5ca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "884fdbe4ef6247d80ac5bf7d93148128cff985dd67459ab24f2abb1812394a01",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-18T07:35:50Z",
    "title_canon_sha256": "07bf9e4a75eb3124d7becc594de66adfd7b3467f50399eb1dcab4ab92585c2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19879",
    "kind": "arxiv",
    "version": 1
  }
}