Pith Number

pith:ZAOK6LFK

pith:2014:ZAOK6LFKFXE5XKH6OCZDFMBNA4

not attested not anchored not stored refs pending

The Seyfert 2 galaxy NGC 2110: hard X-ray emission observed by NuSTAR and variability of the iron K$\alpha$ line

A. Marinucci, C. J. Hailey, D. Ballantyne, D. J. Walton, D. Stern, E. Rivers, F. E. Bauer, F. E. Christensen, F. Harrison, G. Matt, M. Balokovi\'c, P. Arevalo, P. Gandhi, S. Bianchi, S. E. Boggs, S. Puccetti, T. N. Lu, W. W. Craig, W. Zhang

arxiv:1411.5151 v1 · 2014-11-19 · 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{ZAOK6LFKFXE5XKH6OCZDFMBNA4}

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	2026-05-18T01:41:29.156398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c81caf2caa2dc9dba8fe70b232b02d072673867cc867b05563569db424d0a2fa

Aliases

arxiv: 1411.5151 · arxiv_version: 1411.5151v1 · doi: 10.48550/arxiv.1411.5151 · pith_short_12: ZAOK6LFKFXE5 · pith_short_16: ZAOK6LFKFXE5XKH6 · pith_short_8: ZAOK6LFK

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/ZAOK6LFKFXE5XKH6OCZDFMBNA4 \
  | 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: c81caf2caa2dc9dba8fe70b232b02d072673867cc867b05563569db424d0a2fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661dfb286bb8b1e1080e312d1b929ce84eaa31927244404389e39b0ef41b4a55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-11-19T09:20:05Z",
    "title_canon_sha256": "526872f7596a5f9609616044027b83877cc2b8f604c323fefecfca5034006940"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5151",
    "kind": "arxiv",
    "version": 1
  }
}