Pith Number

pith:Z57STENJ

pith:2009:Z57STENJSICR4SUGEDMEQKSIXQ

not attested not anchored not stored refs pending

Radio emission from the high-mass X-ray binary BP Cru: first detection

A. R. Lopez-Sanchez, G. Hobbs, M. Pestalozzi, U. Torkelsson

arxiv:0909.2511 v1 · 2009-09-14 · astro-ph.GA · 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{Z57STENJSICR4SUGEDMEQKSIXQ}

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	2026-05-18T02:11:48.165153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf7f2991a992051e4a8620d8482a48bc3f183f9af57cde0d926e2cb1960f8266

Aliases

arxiv: 0909.2511 · arxiv_version: 0909.2511v1 · doi: 10.48550/arxiv.0909.2511 · pith_short_12: Z57STENJSICR · pith_short_16: Z57STENJSICR4SUG · pith_short_8: Z57STENJ

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/Z57STENJSICR4SUGEDMEQKSIXQ \
  | 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: cf7f2991a992051e4a8620d8482a48bc3f183f9af57cde0d926e2cb1960f8266

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a21ef6e5789788d419a00061bbaa976c2119b278b08aacbb1930a8e6b080532",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-14T10:23:13Z",
    "title_canon_sha256": "fcd115459b3c34b46c97b36390269c2cec31d6c20087f9d63102b663e43a1ad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2511",
    "kind": "arxiv",
    "version": 1
  }
}