Pith Number

pith:AT4QCIN4

pith:2013:AT4QCIN4K6C2Q6M2OWTZDSH7DG

not attested not anchored not stored refs pending

Detection of a luminous hot X-ray corona around the massive spiral galaxy NGC266

Akos Bogdan, Christine Jones, Ralph P. Kraft, William R. Forman

arxiv:1306.0643 v1 · 2013-06-04 · 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{AT4QCIN4K6C2Q6M2OWTZDSH7DG}

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	2026-05-18T01:49:33.311119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04f90121bc5785a8799a75a791c8ff19be500a227bc35b8a8ff2776946a77542

Aliases

arxiv: 1306.0643 · arxiv_version: 1306.0643v1 · doi: 10.48550/arxiv.1306.0643 · pith_short_12: AT4QCIN4K6C2 · pith_short_16: AT4QCIN4K6C2Q6M2 · pith_short_8: AT4QCIN4

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/AT4QCIN4K6C2Q6M2OWTZDSH7DG \
  | 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: 04f90121bc5785a8799a75a791c8ff19be500a227bc35b8a8ff2776946a77542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9515212068bf7f0afde54cddc51d7ab1f1ba287ed7fa6e63a56b5d542adf4b72",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-04T02:59:06Z",
    "title_canon_sha256": "994f3c2d4bfc35021a8eb1290379109b955bb78e57bcbc2da1bae1f37ba9a7cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0643",
    "kind": "arxiv",
    "version": 1
  }
}