Pith Number

pith:F7ADYWSX

pith:2019:F7ADYWSX2LTVCNDNIBYY32AX25

not attested not anchored not stored refs pending

Opening the Pandora's box at the core of black holes

Francesco Di Filippo, Matt Visser, Ra\'ul Carballo-Rubio, Stefano Liberati

arxiv:1908.03261 v1 · 2019-08-08 · gr-qc · astro-ph.HE · 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{F7ADYWSX2LTVCNDNIBYY32AX25}

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.

Cited by

2 papers in Pith

Null geodesic defocusing in dynamical black-hole-to-white-hole transitions

Regular black hole with sub-Planckian curvature and suppressed exponential mass inflation

Receipt and verification

First computed	2026-07-05T02:10:36.818211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fc03c5a57d2e751346d40718de817d76a5f5af0a66ae6442de0149a7042b949

Aliases

arxiv: 1908.03261 · arxiv_version: 1908.03261v1 · doi: 10.48550/arxiv.1908.03261 · pith_short_12: F7ADYWSX2LTV · pith_short_16: F7ADYWSX2LTVCNDN · pith_short_8: F7ADYWSX

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/F7ADYWSX2LTVCNDNIBYY32AX25 \
  | 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: 2fc03c5a57d2e751346d40718de817d76a5f5af0a66ae6442de0149a7042b949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64dde5848e61b48476a6b16971113ed32d7bd78d8938d9e34e4500e82170206",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-08T20:27:08Z",
    "title_canon_sha256": "11015d438ad512781497b52e91431542f1b72e7a6513c6de8a722183125ee4a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03261",
    "kind": "arxiv",
    "version": 1
  }
}