Pith Number

pith:VE7GQAIU

pith:2011:VE7GQAIUIOMATVQPFA4L56NG7V

not attested not anchored not stored refs pending

Constraints on the Mass and Radius of the Neutron Star XTE J1807-294

Denis A. Leahy, Sharon M. Morsink, Yi Chou

arxiv:1106.3131 v2 · 2011-06-16 · 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{VE7GQAIUIOMATVQPFA4L56NG7V}

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	2026-05-18T02:01:36.534889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a93e680114439809d60f2838bef9a6fd5e3ba385ea702ee28ebac5845e5a4c2d

Aliases

arxiv: 1106.3131 · arxiv_version: 1106.3131v2 · doi: 10.48550/arxiv.1106.3131 · pith_short_12: VE7GQAIUIOMA · pith_short_16: VE7GQAIUIOMATVQP · pith_short_8: VE7GQAIU

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/VE7GQAIUIOMATVQPFA4L56NG7V \
  | 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: a93e680114439809d60f2838bef9a6fd5e3ba385ea702ee28ebac5845e5a4c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8a4e7ed3db52844745826e976b3925d210ea1d4864b7a92e61d26ab69f5d67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-16T02:02:52Z",
    "title_canon_sha256": "75be0a7b323d202f988f234e0a75bb6012404f884052110b59e3f96514e96085"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3131",
    "kind": "arxiv",
    "version": 2
  }
}