Pith Number

pith:A5HFJKFB

pith:2009:A5HFJKFBUIFFJ3Y4NTFISO54ER

not attested not anchored not stored refs pending

Images of the radiatively inefficient accretion flow surrounding a Kerr black hole: application in Sgr A*

2, 3), Astrophysics, CAS, China; (2) Key Laboratory for Research in Galaxies, China; (3) Academia Sinica, Cosmology, Institute of Astronomy, Lei Huang (1, SHAO, Taiwan), USTC, Xinwu Cao (2), Ye-Fei Yuan (1), Zhi-Qiang Shen (2) ((1) Key Laboratory for Research in Galaxies

arxiv:0904.4090 v1 · 2009-04-27 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5HFJKFBUIFFJ3Y4NTFISO54ER}

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	2026-05-18T02:34:59.552483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

074e54a8a1a20a54ef1c6cca893bbc244cbb37ed0ee796d50ae102a1f57ff691

Aliases

arxiv: 0904.4090 · arxiv_version: 0904.4090v1 · doi: 10.48550/arxiv.0904.4090 · pith_short_12: A5HFJKFBUIFF · pith_short_16: A5HFJKFBUIFFJ3Y4 · pith_short_8: A5HFJKFB

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/A5HFJKFBUIFFJ3Y4NTFISO54ER \
  | 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: 074e54a8a1a20a54ef1c6cca893bbc244cbb37ed0ee796d50ae102a1f57ff691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cfb08593c3fd252fe287fbd48f6ddd8faa57beb22e6315f5ddb3eacdf8791c8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-27T13:46:06Z",
    "title_canon_sha256": "1d6ac7cba9fedcc0d8ce7b43e559f8930b84c4873cf743bb484df4a0a5405ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4090",
    "kind": "arxiv",
    "version": 1
  }
}