Pith Number

pith:FT4CN47U

pith:2023:FT4CN47ULFLYFGGMI7HMYEPX3O

not attested not anchored not stored refs pending

Light Ring behind Wormhole Throat: Geodesics, Images and Shadows

Cong Zhang, Hyat Huang, Jinbo Yang, Jutta Kunz

arxiv:2303.11885 v2 · 2023-03-21 · 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{FT4CN47ULFLYFGGMI7HMYEPX3O}

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

Ellis-Bronnikov Wormhole Shadows with Spherically Symmetric Accretion Flow

Receipt and verification

First computed	2026-07-05T06:19:57.187241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cf826f3f459578298cc47cecc11f7db92a15c5d928e445047d44cc6a4ee5f97

Aliases

arxiv: 2303.11885 · arxiv_version: 2303.11885v2 · doi: 10.48550/arxiv.2303.11885 · pith_short_12: FT4CN47ULFLY · pith_short_16: FT4CN47ULFLYFGGM · pith_short_8: FT4CN47U

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/FT4CN47ULFLYFGGMI7HMYEPX3O \
  | 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: 2cf826f3f459578298cc47cecc11f7db92a15c5d928e445047d44cc6a4ee5f97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4431cde2fe86cac7cad258b3cd7d5e3f8f7b27cc0864b97f0734cb1f0b2682e3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-03-21T14:26:19Z",
    "title_canon_sha256": "69d12e0caf3804c3b0cf4eb7ab6997fc1d8f73c0d4c9226ed7fc9defbb5036e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.11885",
    "kind": "arxiv",
    "version": 2
  }
}