Pith Number

pith:ANCOIBW4

pith:2010:ANCOIBW44BU7PE2YCCVBN66NG6

not attested not anchored not stored refs pending

The Spin of the Black Hole Microquasar XTE J1550-564 via the Continuum-Fitting and Fe-Line Methods

Andrew C. Fabian, James F. Steiner, Jeffrey E. McClintock, Jerome A. Orosz, Lijun Gou, Manuel A. P. Torres, Ramesh Narayan, Ronald A. Remillard, Rubens C. Reis

arxiv:1010.1013 v2 · 2010-10-05 · 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{ANCOIBW44BU7PE2YCCVBN66NG6}

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	2026-05-18T04:14:29.478956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0344e406dce069f7935810aa16fbcd37aaef19fc816816c8d695303db0f7929d

Aliases

arxiv: 1010.1013 · arxiv_version: 1010.1013v2 · doi: 10.48550/arxiv.1010.1013 · pith_short_12: ANCOIBW44BU7 · pith_short_16: ANCOIBW44BU7PE2Y · pith_short_8: ANCOIBW4

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/ANCOIBW44BU7PE2YCCVBN66NG6 \
  | 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: 0344e406dce069f7935810aa16fbcd37aaef19fc816816c8d695303db0f7929d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8be7d5a3551aeb6f1975f6890e7c5c8f8d4160d3305e78fb69725433efbd3bb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-10-05T20:22:55Z",
    "title_canon_sha256": "00e58abc3f9f27860379d34066cd72717ab28cc5a1209419c616dcd18870c0fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1013",
    "kind": "arxiv",
    "version": 2
  }
}