Pith Number

pith:2BFKMY6U

pith:2013:2BFKMY6UVDGMIRFFKY4WDBPXGM

not attested not anchored not stored refs pending

A Black Hole Nova Obscured by an Inner Disk Torus

A. A. Tyndall, C. Zurita, J. Casares, J. M. Corral-Santana, M. A. P. Torres, P. Rodr\'iguez-Gil, T. Mu\~noz-Darias, T. Shahbaz

arxiv:1303.0034 v1 · 2013-02-28 · 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{2BFKMY6UVDGMIRFFKY4WDBPXGM}

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	2026-05-18T03:32:07.069947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04aa663d4a8ccc444a556396185f7333330f1612741c73a06a36139703f9d47

Aliases

arxiv: 1303.0034 · arxiv_version: 1303.0034v1 · doi: 10.48550/arxiv.1303.0034 · pith_short_12: 2BFKMY6UVDGM · pith_short_16: 2BFKMY6UVDGMIRFF · pith_short_8: 2BFKMY6U

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/2BFKMY6UVDGMIRFFKY4WDBPXGM \
  | 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: d04aa663d4a8ccc444a556396185f7333330f1612741c73a06a36139703f9d47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5458a988a6df4e1e7b4e054d9e45701e8c6720d10472c3234f0134e89927e63",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-28T22:13:29Z",
    "title_canon_sha256": "0f9ac047384049c8c224a3d84a29470c48070bb108d7c6426887d3fbf53be7ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0034",
    "kind": "arxiv",
    "version": 1
  }
}