Pith Number

pith:JEUV4X7L

pith:2020:JEUV4X7LJATVACWESDZDO6HFKR

not attested not anchored not stored refs pending

A study on black hole shadows in asymptotically de Sitter spacetimes

Rittick Roy, Sayan Chakrabarti

arxiv:2003.14107 v3 · 2020-03-31 · 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{JEUV4X7LJATVACWESDZDO6HFKR}

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

3 papers in Pith

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$

Observational Signatures of Rotating Ay\'{o}n-Beato-Garc\'{i}a Black Holes: Shadows, Accretion Disks and Images

Photon rings and shadows of black holes with non-minimal couplings between curvature and electromagnetic field

Receipt and verification

First computed	2026-07-05T01:22:42.701928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49295e5feb4827500ac490f23778e55449b57da0bad42e014aef48817c63ee3e

Aliases

arxiv: 2003.14107 · arxiv_version: 2003.14107v3 · doi: 10.48550/arxiv.2003.14107 · pith_short_12: JEUV4X7LJATV · pith_short_16: JEUV4X7LJATVACWE · pith_short_8: JEUV4X7L

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/JEUV4X7LJATVACWESDZDO6HFKR \
  | 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: 49295e5feb4827500ac490f23778e55449b57da0bad42e014aef48817c63ee3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63538cc92595a83e0a21fb4e0caedf2a7d18872eb6ef718453e0dee2b497c432",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-03-31T11:27:32Z",
    "title_canon_sha256": "53f6b8bc8992166ab9cd11efd2a702e8b29a7065df4bafef4681b83fb090f262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.14107",
    "kind": "arxiv",
    "version": 3
  }
}