Pith Number

pith:4H46MAKG

pith:2009:4H46MAKGUXUJMQ3YAZBG2OF2FC

not attested not anchored not stored refs pending

Is there a highly magnetized neutron star in GX 301-2?

(2) Dr. Karl Remeis-Sternwarte, 3), (3) ECAP, 4), (4) ISDC, 5), (5) Kazan State University, A. Santangelo (1), Bamberg, C. Ferrigno (1, D. Klochkov (1) ((1) IAAT, Germany, I. Kreykenbohm (2, R. Staubert (1), Russia), Switzerland, V. Doroshenko (1), V. Suleimanov (1

arxiv:0907.3844 v2 · 2009-07-22 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4H46MAKGUXUJMQ3YAZBG2OF2FC}

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	2026-05-18T02:12:54.677057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f9e60146a5e896437806426d38ba28aa99e5270c72549333bf80fedd00a5df

Aliases

arxiv: 0907.3844 · arxiv_version: 0907.3844v2 · doi: 10.48550/arxiv.0907.3844 · pith_short_12: 4H46MAKGUXUJ · pith_short_16: 4H46MAKGUXUJMQ3Y · pith_short_8: 4H46MAKG

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/4H46MAKGUXUJMQ3YAZBG2OF2FC \
  | 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: e1f9e60146a5e896437806426d38ba28aa99e5270c72549333bf80fedd00a5df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d109991b766b0ff3d33f075b94589d45b4c5b6bf2b4f8e7b020ea987829e71e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-22T13:49:32Z",
    "title_canon_sha256": "74ae4e4436643ee93a63c5c5e10a66dc9454b18cbbb51edd0184cdece3dbe632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3844",
    "kind": "arxiv",
    "version": 2
  }
}