Pith Number

pith:CZ6IERQX

pith:2021:CZ6IERQXVX5TBBQQZXNOX7OUS3

not attested not anchored not stored refs pending

Reflection Modeling of the Black Hole Binary 4U~1630$-$47: the Disk Density and Returning Radiation

Andrew Fabian, Fiona Harrison, Guglielmo Mastroserio, James Steiner, Javier Garc\'ia, Jeremy Hare, Jiachen Jiang, John Tomsick, Michael Parker, Navin Sridhar, Riley Connors, Thomas Dauser, Timothy Kallman, Victoria Grinberg

arxiv:2101.06343 v1 · 2021-01-16 · 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{CZ6IERQXVX5TBBQQZXNOX7OUS3}

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	2026-07-05T02:25:35.120954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

167c824617adfb308610cddaebfdd496f5dd2c49ab0b54b652b3008221754c67

Aliases

arxiv: 2101.06343 · arxiv_version: 2101.06343v1 · doi: 10.48550/arxiv.2101.06343 · pith_short_12: CZ6IERQXVX5T · pith_short_16: CZ6IERQXVX5TBBQQ · pith_short_8: CZ6IERQX

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/CZ6IERQXVX5TBBQQZXNOX7OUS3 \
  | 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: 167c824617adfb308610cddaebfdd496f5dd2c49ab0b54b652b3008221754c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b705b6acd7c8e96a1c0f9d970ab05f026ddadfe55251b70ebc6f4370d793455e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-01-16T01:32:21Z",
    "title_canon_sha256": "0d3799a32eb2828f6907ee6252afaa710129107a24eb1abe926e6e817b242003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06343",
    "kind": "arxiv",
    "version": 1
  }
}