Pith Number

pith:TWF6DUJJ

pith:2010:TWF6DUJJNMCHFDXOF2X3CTRFWE

not attested not anchored not stored refs pending

Ultra-luminous X-ray sources and remnants of massive metal-poor stars

A. Bressan, E. Ripamonti, L. Zampieri, M. Colpi, M. Mapelli

arxiv:1005.3548 v1 · 2010-05-19 · astro-ph.CO · 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{TWF6DUJJNMCHFDXOF2X3CTRFWE}

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	2026-05-18T02:07:16.689347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d8be1d1296b04728eee2eafb14e25b1361b9a6fc7492006ccf9ff539b6cd9ea

Aliases

arxiv: 1005.3548 · arxiv_version: 1005.3548v1 · doi: 10.48550/arxiv.1005.3548 · pith_short_12: TWF6DUJJNMCH · pith_short_16: TWF6DUJJNMCHFDXO · pith_short_8: TWF6DUJJ

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/TWF6DUJJNMCHFDXOF2X3CTRFWE \
  | 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: 9d8be1d1296b04728eee2eafb14e25b1361b9a6fc7492006ccf9ff539b6cd9ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f783af7834a2c3053d6ca9791c998ed0653d02e714a9763272f25b53a12f014",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-19T20:13:18Z",
    "title_canon_sha256": "2fd3359a073ce238854ba536d77d7c68b19ed4be339c508ae36562e202cdc989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3548",
    "kind": "arxiv",
    "version": 1
  }
}