Pith Number

pith:QLDF3QOR

pith:2010:QLDF3QORIPTNIJ4R5RJICBDO4Y

not attested not anchored not stored refs pending

The identification of MAXI J1659-152 as a black hole candidate

D. Altamirano, J. Homan, M. Kalamkar, M. Linares, M. van der Klis, P. Casella

arxiv:1012.4330 v2 · 2010-12-20 · 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{QLDF3QORIPTNIJ4R5RJICBDO4Y}

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	2026-05-18T02:04:21.994266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82c65dc1d143e6d42791ec5281046ee63e9614776dbcc791d3899f80420c5567

Aliases

arxiv: 1012.4330 · arxiv_version: 1012.4330v2 · doi: 10.48550/arxiv.1012.4330 · pith_short_12: QLDF3QORIPTN · pith_short_16: QLDF3QORIPTNIJ4R · pith_short_8: QLDF3QOR

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/QLDF3QORIPTNIJ4R5RJICBDO4Y \
  | 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: 82c65dc1d143e6d42791ec5281046ee63e9614776dbcc791d3899f80420c5567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c465747001d5a7f514d1670a087f6353d4aa1140f360628246aea1d0754a7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-12-20T13:58:16Z",
    "title_canon_sha256": "86217a9dcb18f99541318291f1fe8bda938acaad3c79ceef33bade3a964f01ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4330",
    "kind": "arxiv",
    "version": 2
  }
}