Pith Number

pith:3DXW6XIJ

pith:2012:3DXW6XIJQFQ4IFQF6YBMTS3I5L

not attested not anchored not stored refs pending

The Birth of an Ultra-Luminous X-ray Source in M83

Bradley C. Whitmore, K. D. Kuntz, Knox S. Long, Paul P. Plucinsky, P. Frank Winkler, Roberto Soria, William P. Blair

arxiv:1203.2335 v1 · 2012-03-11 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DXW6XIJQFQ4IFQF6YBMTS3I5L}

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	2026-05-18T01:58:10.186069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ef6f5d098161c41605f602c9cb68ead79a71782a67362bff0a90ff8bc6f6a5

Aliases

arxiv: 1203.2335 · arxiv_version: 1203.2335v1 · doi: 10.48550/arxiv.1203.2335 · pith_short_12: 3DXW6XIJQFQ4 · pith_short_16: 3DXW6XIJQFQ4IFQF · pith_short_8: 3DXW6XIJ

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/3DXW6XIJQFQ4IFQF6YBMTS3I5L \
  | 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: d8ef6f5d098161c41605f602c9cb68ead79a71782a67362bff0a90ff8bc6f6a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "582f6c360417f44aa1ccae93e1eebfb7731de9abe41b7dea0ff37fca162e7749",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-11T13:12:43Z",
    "title_canon_sha256": "24fbd006db62c917b1fee8327f7f838fd2da144b2bd7e851745c2c49f96f453b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2335",
    "kind": "arxiv",
    "version": 1
  }
}