Pith Number

pith:X3GVYY2N

pith:2009:X3GVYY2N55BMGZ6XST3PONHND4

not attested not anchored not stored refs pending

A Comprehensive Spectral Analysis of the X-Ray Pulsar 4U 1907+09 from Two Observations with the Suzaku X-Ray Observatory

4), A. Markowitz (1), Astrophysics Science Division (4) Center for Space Science, Center for Astrophysics, E. Rivers (1), Erlangen Centre for Astroparticle Physics (3) CRESST, F. F\"urst (2), I. Kreykenbohm (2), J. Wilms (2), K. Pottschmidt (3, L. Barrag\'an (2), NASA Goddard Space Flight Center, R. Rothschild (1) ((1) University of California, San Diego, Space Sciences (2) Dr. Karl-Remeis-Sternwarte, S. Roth (2), S. Suchy (1), Technology, University of Maryland Baltimore County)

arxiv:0912.3023 v1 · 2009-12-15 · 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{X3GVYY2N55BMGZ6XST3PONHND4}

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	2026-05-18T02:33:56.372503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

becd5c634def42c367d794f6f734ed1f27738b6a32352b6e4bab33b3b39cff38

Aliases

arxiv: 0912.3023 · arxiv_version: 0912.3023v1 · doi: 10.48550/arxiv.0912.3023 · pith_short_12: X3GVYY2N55BM · pith_short_16: X3GVYY2N55BMGZ6X · pith_short_8: X3GVYY2N

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/X3GVYY2N55BMGZ6XST3PONHND4 \
  | 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: becd5c634def42c367d794f6f734ed1f27738b6a32352b6e4bab33b3b39cff38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1090b0e5e7de216ed5ea93897c83e288278c6830814bfd87d750a40e268d1c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-15T22:39:55Z",
    "title_canon_sha256": "468b37920ba1e3e54a9e3c7e2d898bda24c6b9dec312d4bb0216918ac11d4057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3023",
    "kind": "arxiv",
    "version": 1
  }
}