Pith Number

pith:6SFG5BYY

pith:2012:6SFG5BYYJT4PGR5L7JXPRXNLSS

not attested not anchored not stored refs pending

A Chandra observation of the ultraluminous infrared galaxy IRAS 19254--7245 (the Superantennae): X-ray emission from the Compton-thick AGN and the diffuse starburst

Andrew Ptak (GSFC), James Reeves (Keele), Jianjun Jia (JHU), Timothy Heckman (JHU), Valentina Braito (Leicester)

arxiv:1205.0035 v1 · 2012-04-30 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SFG5BYYJT4PGR5L7JXPRXNLSS}

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	2026-05-18T01:57:42.059156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f48a6e87184cf8f347abfa6ef8ddab948339e92674166755a909688d60872ad5

Aliases

arxiv: 1205.0035 · arxiv_version: 1205.0035v1 · doi: 10.48550/arxiv.1205.0035 · pith_short_12: 6SFG5BYYJT4P · pith_short_16: 6SFG5BYYJT4PGR5L · pith_short_8: 6SFG5BYY

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/6SFG5BYYJT4PGR5L7JXPRXNLSS \
  | 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: f48a6e87184cf8f347abfa6ef8ddab948339e92674166755a909688d60872ad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e434cf983ad6bc29ef6a215750cea596845d9c7eaf3224a13edb927f7b8b40a4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-30T21:35:31Z",
    "title_canon_sha256": "e0acaeb206ac16dc69b2c64c0ec27dd5911530fe4c157c4214118c50c8f57e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0035",
    "kind": "arxiv",
    "version": 1
  }
}