Pith Number

pith:VFK4PZFB

pith:2022:VFK4PZFBBC32Y5Y5WQBEVHYCLI

not attested not anchored not stored refs pending

Effective models of non-singular quantum black holes

Andrea Pierfrancesco Sanna, Mariano Cadoni, Mauro Oi

arxiv:2204.09444 v2 · 2022-04-20 · 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{VFK4PZFBBC32Y5Y5WQBEVHYCLI}

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

6 papers in Pith

Astrophysical environment around a black hole in the braneworld and its optical signatures

Light Rings, Accretion Disks and Shadows of Hayward Boson Stars

Families of regular spacetimes and energy conditions

Eikonal, nonlocality and regular black holes

Receipt and verification

First computed	2026-07-05T04:40:53.384214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a955c7e4a108b7ac771db4024a9f025a299c68c3a13233809007f4e3b6aac3d5

Aliases

arxiv: 2204.09444 · arxiv_version: 2204.09444v2 · doi: 10.48550/arxiv.2204.09444 · pith_short_12: VFK4PZFBBC32 · pith_short_16: VFK4PZFBBC32Y5Y5 · pith_short_8: VFK4PZFB

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/VFK4PZFBBC32Y5Y5WQBEVHYCLI \
  | 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: a955c7e4a108b7ac771db4024a9f025a299c68c3a13233809007f4e3b6aac3d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d62c9e243d59a42816d9132890fcccceb9cf1a289c3db0ccb03b79456acfa2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-04-20T13:18:08Z",
    "title_canon_sha256": "18b7b5fda421bf5b8bbb67aae51c0791cf2172ca743625b60e8743688af5cac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09444",
    "kind": "arxiv",
    "version": 2
  }
}