Pith Number

pith:D3PVF5EY

pith:2012:D3PVF5EYBIMNCUW3RLBE5YNPAW

not attested not anchored not stored refs pending

Optical and near-infrared spectroscopy of the black hole GX 339-4: I. A focus on the continuum in the low/hard and high/soft states

D.M. Russell, F.Rahoui, J.A. Tomsick, J.C. Lee, J. Rodriguez, M. Cadolle Bel, M. Coriat, S. Corbel, S. Migliari

arxiv:1202.3984 v1 · 2012-02-17 · 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{D3PVF5EYBIMNCUW3RLBE5YNPAW}

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	2026-05-18T01:58:24.018827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1edf52f4980a18d152db8ac24ee1af05a68d203e80c1d3ff96b9ac6e3f940bf4

Aliases

arxiv: 1202.3984 · arxiv_version: 1202.3984v1 · doi: 10.48550/arxiv.1202.3984 · pith_short_12: D3PVF5EYBIMN · pith_short_16: D3PVF5EYBIMNCUW3 · pith_short_8: D3PVF5EY

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/D3PVF5EYBIMNCUW3RLBE5YNPAW \
  | 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: 1edf52f4980a18d152db8ac24ee1af05a68d203e80c1d3ff96b9ac6e3f940bf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "269b87c68c56b2a3b69c7b52e8698d4530206613523a4043364df46d869c28fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-17T18:19:40Z",
    "title_canon_sha256": "a1f830ddef2a5e175e6eaae0e9d88bc25745619cc4d6f6d3d68de3f29af0827b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3984",
    "kind": "arxiv",
    "version": 1
  }
}