Pith Number

pith:D3QVDERO

pith:2015:D3QVDERO5XMLEQ5HXGHUQEHSXN

not attested not anchored not stored refs pending

Evidence for a binary origin of a central compact object

Andrea Santangelo, Dmitry Klochkov, Gerd Puehlhofer, Patrick Kavanagh, Valery Suleimanov, Victor Doroshenko

arxiv:1508.03557 v2 · 2015-08-14 · 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{D3QVDERO5XMLEQ5HXGHUQEHSXN}

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	2026-05-18T01:19:34.188435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ee151922eedd8b243a7b98f4810f2bb4c7accb1a68da67877ba31fd2e199eda

Aliases

arxiv: 1508.03557 · arxiv_version: 1508.03557v2 · doi: 10.48550/arxiv.1508.03557 · pith_short_12: D3QVDERO5XML · pith_short_16: D3QVDERO5XMLEQ5H · pith_short_8: D3QVDERO

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/D3QVDERO5XMLEQ5HXGHUQEHSXN \
  | 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: 1ee151922eedd8b243a7b98f4810f2bb4c7accb1a68da67877ba31fd2e199eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b62218838093c91b0a2e9d909ed2755ac9f461892064978a9904a4fd80e1f750",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-08-14T16:04:56Z",
    "title_canon_sha256": "6789645ae569a24eb88c1bdb7ca07143ccd35082909d78bf52c64e43332747ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03557",
    "kind": "arxiv",
    "version": 2
  }
}