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Pith Number

pith:OB2ZNDJR

pith:2012:OB2ZNDJRR5QME5KLNMQY5HALY5
not attested not anchored not stored refs pending

Evolutionary trajectories of ultra-compact "black widow" pulsars with very low mass companions

J. E. Horvath, M. A. De Vito, O. G. Benvenuto

arxiv:1206.2389 v1 · 2012-06-11 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OB2ZNDJRR5QME5KLNMQY5HALY5}

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 2026-05-18T01:56:59.619902Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7075968d318f60c2754b6b218e9c0bc74044467a4b3018530c1cc0ef2cf47f59

Aliases

arxiv: 1206.2389 · arxiv_version: 1206.2389v1 · doi: 10.48550/arxiv.1206.2389 · pith_short_12: OB2ZNDJRR5QM · pith_short_16: OB2ZNDJRR5QME5KL · pith_short_8: OB2ZNDJR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OB2ZNDJRR5QME5KLNMQY5HALY5 \
  | 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: 7075968d318f60c2754b6b218e9c0bc74044467a4b3018530c1cc0ef2cf47f59
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e5e5bf45a85340abf21029d81398e714f1e7d78ef189edcf8be99b07d555ebed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-11T21:54:03Z",
    "title_canon_sha256": "35465e8e94ecbd05a9384891f7df56d94291f06405264fb380fc1c244c0e20c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2389",
    "kind": "arxiv",
    "version": 1
  }
}