Pith Number

pith:J34SUKWF

pith:2021:J34SUKWFV4PAIVMX6H7Z5IMIDT

not attested not anchored not stored refs pending

Non-minimally coupled electromagnetic fields and observable implications for primordial black holes

S. Shankaranarayanan (IIT Bombay), Susmita Jana

arxiv:2110.06056 v2 · 2021-10-12 · gr-qc · astro-ph.CO · 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{J34SUKWFV4PAIVMX6H7Z5IMIDT}

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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

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

Receipt and verification

First computed	2026-07-05T08:36:15.851531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ef92a2ac5af1e045597f1ff9ea1881ce921aee58716b5edd73f59f60fb43040

Aliases

arxiv: 2110.06056 · arxiv_version: 2110.06056v2 · doi: 10.48550/arxiv.2110.06056 · pith_short_12: J34SUKWFV4PA · pith_short_16: J34SUKWFV4PAIVMX · pith_short_8: J34SUKWF

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/J34SUKWFV4PAIVMX6H7Z5IMIDT \
  | 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: 4ef92a2ac5af1e045597f1ff9ea1881ce921aee58716b5edd73f59f60fb43040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5ffcbf9356f4c5578bf3481f9aa805084335bfdd89a1fe0a1a65c3165cec59",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-10-12T14:58:37Z",
    "title_canon_sha256": "a9508312e8d151b43b0bc06f5ed3d37fe6448209541647eaadbfc60d12d7c8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06056",
    "kind": "arxiv",
    "version": 2
  }
}