Pith Number

pith:IZSQYRCL

pith:2009:IZSQYRCLMFTZ3TET7WK7RHC4XH

not attested not anchored not stored refs pending

The anti-correlation between the hard X-ray photon index and the Eddington ratio in LLAGNs

Minfeng Gu (SHAO), Xinwu Cao (SHAO)

arxiv:0906.3560 v1 · 2009-06-19 · 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{IZSQYRCLMFTZ3TET7WK7RHC4XH}

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	2026-05-18T02:13:18.918585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46650c444b61679dcc93fd95f89c5cb9f9dc7a8b73dcc4bcb7b6d8be8c5aefd2

Aliases

arxiv: 0906.3560 · arxiv_version: 0906.3560v1 · doi: 10.48550/arxiv.0906.3560 · pith_short_12: IZSQYRCLMFTZ · pith_short_16: IZSQYRCLMFTZ3TET · pith_short_8: IZSQYRCL

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/IZSQYRCLMFTZ3TET7WK7RHC4XH \
  | 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: 46650c444b61679dcc93fd95f89c5cb9f9dc7a8b73dcc4bcb7b6d8be8c5aefd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2be399d4d83f1271a61d002a59e01f470cfc76ad7d6f4c5ce284a6acf7f723fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-19T01:25:30Z",
    "title_canon_sha256": "aeda737bdd2effaf271fa8288c9abf9cf8e350ce4109bcafe19f0f89a3ddfe43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3560",
    "kind": "arxiv",
    "version": 1
  }
}