Pith Number

pith:4YSHE2PS

pith:2015:4YSHE2PSFN2TYQGRGSYYLMFWQR

not attested not anchored not stored refs pending

On the Black Hole Mass---X-ray Excess Variance Scaling Relation for Active Galactic Nuclei in the Low-mass Regime

Bifang Liu, Hai-Wu Pan, Weimin Yuan, Xiao-Bo Dong, Xin-Lin Zhou

arxiv:1506.07769 v1 · 2015-06-25 · 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{4YSHE2PSFN2TYQGRGSYYLMFWQR}

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	2026-05-18T01:38:50.874790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6247269f22b753c40d134b185b0b68441204a3dbe8a7eeb3e96273361467cc2

Aliases

arxiv: 1506.07769 · arxiv_version: 1506.07769v1 · doi: 10.48550/arxiv.1506.07769 · pith_short_12: 4YSHE2PSFN2T · pith_short_16: 4YSHE2PSFN2TYQGR · pith_short_8: 4YSHE2PS

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/4YSHE2PSFN2TYQGRGSYYLMFWQR \
  | 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: e6247269f22b753c40d134b185b0b68441204a3dbe8a7eeb3e96273361467cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff0e635d12cdac00a5c8266db72ef4580a82e62e2852129dd65a70ff6155842",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-06-25T14:29:51Z",
    "title_canon_sha256": "ee99291b45d2e0b7b54d5a277ec209e813b168c3b8748b11b25ed457f9d959f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07769",
    "kind": "arxiv",
    "version": 1
  }
}