Pith Number

pith:CTUT5VVR

pith:2015:CTUT5VVRMPJYBLZ7ZXUJXKVT7S

not attested not anchored not stored refs pending

NuSTAR and XMM-Newton Observations of the Hard X-Ray Spectrum of Centaurus A

(10) Virgina Tech, (11) Columbia University, (12) KIPAC, (13) Universita Roma Tre, (14) UCSD, (15) GSFC, 16, (16) UMBC, 17), (17) Catholic University of America, (18) JPL), (2) Radboud University Nijmegen, 3, 3), (3) Universtiy Wuerzburg, 4), (4) Remeis-Observatory & ECAP, (5) IRAP Caltech, (6) Universidad de Valparaiso, (7) SSL UC Berkeley, (8) DTU Space, 9), (9) LLNL, A. King (12), A. Marinucci (13), A. Markowitz (14), C. Graefe (4, C. J. Hailey (11), C. Mueller (2, D. Farrah (10), D. J. Walton (18), D. Stern (18), E. Rivers (1), F. A. Harrison (1), F. E. Christensen (8), F. Fuerst (1), F. Krauss (4, G. Madejski (12), G. Matt (13), J. Wilms (1), K. K. Madsen (1), L. Lanz (5), M. Balokovic (1), M. Brightman (1), M. Kadler (3), P. Arevalo (6), P. Ogle (5), R. Ojha (15, R. Rothschild (14), S. E. Boggs (7), T. Beuchert (4, T. Dauser (4), W. W. Craig (7, W. Zhang (15) ((1) Caltech

arxiv:1511.01915 v2 · 2015-11-05 · 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{CTUT5VVRMPJYBLZ7ZXUJXKVT7S}

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	2026-05-18T01:18:41.755085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e93ed6b163d380af3fcde89baab3fc843991ac9e5264011616ac974ef954d6

Aliases

arxiv: 1511.01915 · arxiv_version: 1511.01915v2 · doi: 10.48550/arxiv.1511.01915 · pith_short_12: CTUT5VVRMPJY · pith_short_16: CTUT5VVRMPJYBLZ7 · pith_short_8: CTUT5VVR

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/CTUT5VVRMPJYBLZ7ZXUJXKVT7S \
  | 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: 14e93ed6b163d380af3fcde89baab3fc843991ac9e5264011616ac974ef954d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012b1fe6a6e35b8c8ec909905d7e47e066a05e039787e96f292ad6580b979a5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-11-05T21:09:46Z",
    "title_canon_sha256": "c54f53977631a75aa1936625efd67a2e64b62c9bcd3ddea09e678dc7275f15b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01915",
    "kind": "arxiv",
    "version": 2
  }
}