Pith Number

pith:HJU3PIFP

pith:2003:HJU3PIFP2HPXMOD5U5JQXALUDJ

not attested not anchored not stored refs pending

The Bursting Behavior of 4U 1728-34: Parameters of a Neutron Star and Geometry of a NS-disk system

Frank Haberl (MPIEP), Lev Titarchuk (GMU/CEOSR), Nickolai Shaposhnikov (GMU/CEOSR)

arxiv:astro-ph/0307215 v1 · 2003-07-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJU3PIFP2HPXMOD5U5JQXALUDJ}

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	2026-07-04T16:52:08.601530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a69b7a0afd1df76387da7530b81741a6133602d7b1d5bd105e90aa46d77e1f4

Aliases

arxiv: astro-ph/0307215 · arxiv_version: astro-ph/0307215v1 · doi: 10.48550/arxiv.astro-ph/0307215 · pith_short_12: HJU3PIFP2HPX · pith_short_16: HJU3PIFP2HPXMOD5 · pith_short_8: HJU3PIFP

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/HJU3PIFP2HPXMOD5U5JQXALUDJ \
  | 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: 3a69b7a0afd1df76387da7530b81741a6133602d7b1d5bd105e90aa46d77e1f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d592be306feb43f987ff4e7746aed108ccc02f9a98aa51d9b51a173d926b7f40",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-10T16:06:09Z",
    "title_canon_sha256": "58eea8e20f470cce115fd1b99fe3882f5f7630888ff8b0500f87e05b23859b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307215",
    "kind": "arxiv",
    "version": 1
  }
}