Pith Number

pith:SDJS4PCB

pith:2011:SDJS4PCBMA4DKFNYXCC4QZIZYT

not attested not anchored not stored refs pending

Systematic Uncertainties in the Spectroscopic Measurements of Neutron-Star Masses and Radii from Thermonuclear X-ray Bursts. I. Apparent Radii

Dimitrios Psaltis, Feryal Ozel, Tolga Guver

arxiv:1103.5767 v2 · 2011-03-29 · 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{SDJS4PCBMA4DKFNYXCC4QZIZYT}

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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.

Cited by

1 paper in Pith

The compact neutron star in 4U 1746-37 revisited: Reassessing the mass and radius

Receipt and verification

First computed	2026-05-18T04:01:51.122061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d32e3c4160383515b8b885c86519c4ee1b940763e2e053dbec2bc8ba45cb6a

Aliases

arxiv: 1103.5767 · arxiv_version: 1103.5767v2 · doi: 10.48550/arxiv.1103.5767 · pith_short_12: SDJS4PCBMA4D · pith_short_16: SDJS4PCBMA4DKFNY · pith_short_8: SDJS4PCB

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/SDJS4PCBMA4DKFNYXCC4QZIZYT \
  | 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: 90d32e3c4160383515b8b885c86519c4ee1b940763e2e053dbec2bc8ba45cb6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24992194be87d7579a98c5f858e7f18148d02bd5ff856a506117e2ac7cbf22ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-29T20:19:22Z",
    "title_canon_sha256": "dc119c3d07487a0c79c093640da56782e2072d1ef53dfc9b9e8bf65a0dbc4360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5767",
    "kind": "arxiv",
    "version": 2
  }
}