Pith Number

pith:CTC5KHMN

pith:2014:CTC5KHMNAMLA5NCCPTHOB4OTXH

not attested not anchored not stored refs pending

Spatially Resolving a Starburst Galaxy at Hard X-ray Energies: NuSTAR, Chandra, AND VLBA Observations of NGC 253

Andreas Zezas, Andrew Ptak, Ann E. Hornschemeier, Bret D. Lehmer, Charles Hailey, Daniel R. Wik, Daniel Stern, Finn Christensen, Fiona Harrison, Keith Bechtol, Megan K. Argo, Mihoko Yukita, Roman Krivanos, Steven Boggs, Thomas J. Maccarone, Tonia Venters, Vallia Antoniou, William Craig, William W. Zhang

arxiv:1411.1089 v1 · 2014-11-04 · 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{CTC5KHMNAMLA5NCCPTHOB4OTXH}

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	2026-05-18T01:41:35.104998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14c5d51d8d03160eb4427ccee0f1d3b9d8c73b173a242ae25dfc368f4adf82f6

Aliases

arxiv: 1411.1089 · arxiv_version: 1411.1089v1 · doi: 10.48550/arxiv.1411.1089 · pith_short_12: CTC5KHMNAMLA · pith_short_16: CTC5KHMNAMLA5NCC · pith_short_8: CTC5KHMN

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/CTC5KHMNAMLA5NCCPTHOB4OTXH \
  | 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: 14c5d51d8d03160eb4427ccee0f1d3b9d8c73b173a242ae25dfc368f4adf82f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c31997fb8fa88a19079640be9dbf8304291a00f4f813ab0becdd35ccd8220132",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-11-04T21:28:15Z",
    "title_canon_sha256": "3c674041a57a3717d1c9f6485de00170b19a30a33a80155c4e5b7e94169fb155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1089",
    "kind": "arxiv",
    "version": 1
  }
}