Pith Number

pith:VIJ5N7TH

pith:2012:VIJ5N7THMENBQL52Q5RTDGBWR3

not attested not anchored not stored refs pending

GX~3+1: the stability of spectral index as a function of mass accretion rate

Elena Seifina (MSU, GAISH), GMU, Lev Titarchuk (University of Ferrara, NASA/GSFC)

arxiv:1201.5649 v1 · 2012-01-26 · 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{VIJ5N7THMENBQL52Q5RTDGBWR3}

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	2026-05-18T01:58:41.164795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa13d6fe67611a182fba87633198368ecc450970f9e266c5b2f563082b90fb6a

Aliases

arxiv: 1201.5649 · arxiv_version: 1201.5649v1 · doi: 10.48550/arxiv.1201.5649 · pith_short_12: VIJ5N7THMENB · pith_short_16: VIJ5N7THMENBQL52 · pith_short_8: VIJ5N7TH

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/VIJ5N7THMENBQL52Q5RTDGBWR3 \
  | 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: aa13d6fe67611a182fba87633198368ecc450970f9e266c5b2f563082b90fb6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489e5428b818c32ba8766b6295d4e7af3e3ce397dc35107e9ac886b7569c71e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-26T21:10:06Z",
    "title_canon_sha256": "e05cac8316fb095cee90511de014ad9d18cdff27e71c9f00177d0671e0efd498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5649",
    "kind": "arxiv",
    "version": 1
  }
}