Pith Number

pith:YBFEV3OP

pith:2010:YBFEV3OPC6UGW2NQHXRM5EFOEH

not attested not anchored not stored refs pending

Neutron Star Radius Measurement with the Quiescent Low-Mass X-ray Binary U24 in NGC 6397

Edward F. Brown, Robert E. Rutledge, Sebastien Guillot

arxiv:1007.2415 v2 · 2010-07-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBFEV3OPC6UGW2NQHXRM5EFOEH}

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	2026-05-18T02:06:21.938819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04a4aedcf17a86b69b03de2ce90ae21e1a51a2dc6a2641f6505eea0cbb7b6d4

Aliases

arxiv: 1007.2415 · arxiv_version: 1007.2415v2 · doi: 10.48550/arxiv.1007.2415 · pith_short_12: YBFEV3OPC6UG · pith_short_16: YBFEV3OPC6UGW2NQ · pith_short_8: YBFEV3OP

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/YBFEV3OPC6UGW2NQHXRM5EFOEH \
  | 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: c04a4aedcf17a86b69b03de2ce90ae21e1a51a2dc6a2641f6505eea0cbb7b6d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d5acc5e82f04f7892030076c6120a77094e875cf93ddd9ca7a26386655c7d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-14T20:00:54Z",
    "title_canon_sha256": "f499f7f3c8b67007a70a82bb4408ef2b3c121745292b28015c2f1d3a25486513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2415",
    "kind": "arxiv",
    "version": 2
  }
}