Pith Number

pith:BFXVFREN

pith:2025:BFXVFRENZVD74HZRJ2KUDNU26C

not attested not anchored not stored refs pending

Cosmology inside a black hole: adding matter on the brane

Ayan K. Patra, Jos\'e L.F. Barb\'on, Juan F. Pedraza, Simon F. Ross

arxiv:2504.16997 v2 · 2025-04-23 · hep-th · 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{BFXVFRENZVD74HZRJ2KUDNU26C}

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	2026-07-05T11:00:06.692372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096f52c48dcd47fe1f314e9541b69af09a7627e10c33d89ed338b3c575cbe845

Aliases

arxiv: 2504.16997 · arxiv_version: 2504.16997v2 · doi: 10.48550/arxiv.2504.16997 · pith_short_12: BFXVFRENZVD7 · pith_short_16: BFXVFRENZVD74HZR · pith_short_8: BFXVFREN

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/BFXVFRENZVD74HZRJ2KUDNU26C \
  | 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: 096f52c48dcd47fe1f314e9541b69af09a7627e10c33d89ed338b3c575cbe845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d942b9d5b2a781dc1fc2f3ac28cda6093baad25918e1f051b11873a1f648127b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-04-23T18:00:03Z",
    "title_canon_sha256": "c69dabe7f951e27a8c6011acfdee7125d2e5ed1639e855bc1c3588bc51bedcbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16997",
    "kind": "arxiv",
    "version": 2
  }
}