Pith Number

pith:NKYMFZWJ

pith:2018:NKYMFZWJWF2U4USPSOTWQHZBLX

not attested not anchored not stored refs pending

Shadows, Signals, and Stability in Einsteinian Cubic Gravity

Mohammad Bagher Jahani Poshteh, Robert B. Mann, Robie A. Hennigar

arxiv:1801.03223 v2 · 2018-01-10 · 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{NKYMFZWJWF2U4USPSOTWQHZBLX}

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

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

Receipt and verification

First computed	2026-05-18T00:18:41.021418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab0c2e6c9b1754e524f93a7681f215df98bd60bf715474824b0e31fa9c9818b

Aliases

arxiv: 1801.03223 · arxiv_version: 1801.03223v2 · doi: 10.48550/arxiv.1801.03223 · pith_short_12: NKYMFZWJWF2U · pith_short_16: NKYMFZWJWF2U4USP · pith_short_8: NKYMFZWJ

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/NKYMFZWJWF2U4USPSOTWQHZBLX \
  | 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: 6ab0c2e6c9b1754e524f93a7681f215df98bd60bf715474824b0e31fa9c9818b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd748e01e1463bab9afa95e61c995d07c2f3b5bf8560daeb7f7fdb189ed7695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-10T02:49:02Z",
    "title_canon_sha256": "0f3b7de770ff4347a87ee620f5538fa0f70513b32ddeaad032b2c468be8350d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03223",
    "kind": "arxiv",
    "version": 2
  }
}