Pith Number

pith:U2GGW6PC

pith:2020:U2GGW6PCHHROK624O2RPQKS7J2

not attested not anchored not stored refs pending

Imprints of the Janis-Newman-Winicour spacetime on observations related to shadow and accretion

Indrani Banerjee, Soumitra SenGupta, Subhadip Sau

arxiv:2004.02840 v2 · 2020-04-06 · gr-qc · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2GGW6PCHHROK624O2RPQKS7J2}

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

1 paper in Pith

Reference-renormalized curvature-primitive Gauss-Bonnet formalism for finite-distance weak gravitational lensing in static spherical spacetimes

Receipt and verification

First computed	2026-07-05T01:35:30.459135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68c6b79e239e2e57b5c76a2f82a5f4e95907954523a584dea7bd7b8ea3737aa

Aliases

arxiv: 2004.02840 · arxiv_version: 2004.02840v2 · doi: 10.48550/arxiv.2004.02840 · pith_short_12: U2GGW6PCHHRO · pith_short_16: U2GGW6PCHHROK624 · pith_short_8: U2GGW6PC

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/U2GGW6PCHHROK624O2RPQKS7J2 \
  | 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: a68c6b79e239e2e57b5c76a2f82a5f4e95907954523a584dea7bd7b8ea3737aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583433d8317e411f2f13b743b2331463785e8d61c0b72fa49973333310893285",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-06T17:35:13Z",
    "title_canon_sha256": "5483c72d8a8aa788cf0f8323fb3e3a41df805d1b36633dcdbeaa8960a7f1b504"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02840",
    "kind": "arxiv",
    "version": 2
  }
}