Pith Number

pith:NKHZZ7GL

pith:2026:NKHZZ7GLPHG4KIGBWENIHIVLLE

not attested not anchored not stored refs pending

Simulation-Based Prediction of Black Hole Fe K$\alpha$ Line Profiles

Brooks E. Kinch, Chris Nagele, Jeremy D. Schnittman, Julian H. Krolik

arxiv:2605.20317 v1 · 2026-05-19 · 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{NKHZZ7GLPHG4KIGBWENIHIVLLE}

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.

Receipt and verification

First computed	2026-05-21T00:04:25.143235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a8f9cfccb79cdc520c1b11a83a2ab591615f47354483ca0c04f56db61741fba

Aliases

arxiv: 2605.20317 · arxiv_version: 2605.20317v1 · doi: 10.48550/arxiv.2605.20317 · pith_short_12: NKHZZ7GLPHG4 · pith_short_16: NKHZZ7GLPHG4KIGB · pith_short_8: NKHZZ7GL

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/NKHZZ7GLPHG4KIGBWENIHIVLLE \
  | 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: 6a8f9cfccb79cdc520c1b11a83a2ab591615f47354483ca0c04f56db61741fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "537d2f613ca03a7619eb8460f4d22695a3f55c260295b0c00ec6b18cd240e5da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-19T18:00:00Z",
    "title_canon_sha256": "a5758947721ccd9920210063e0119207f31acd12f62bbb33023eb09625df88c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20317",
    "kind": "arxiv",
    "version": 1
  }
}