Pith Number

pith:2HQA5PRY

pith:2018:2HQA5PRYNH3SQ7V242YVHFHCKL

not attested not anchored not stored refs pending

A deep X-ray view of the bare AGN Ark 120. VI. Geometry of the hot corona from spectroscopic and polarization signatures

A. Lobban, A. Marinucci, A. Tortosa, D. Porquet, E.Nardini, F. Marin, F. Tamborra, G. Matt, J. N. Reeves, R. Middei, S. Bianchi, V. Braito

arxiv:1811.07678 v1 · 2018-11-19 · 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{2HQA5PRYNH3SQ7V242YVHFHCKL}

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	2026-05-17T23:52:39.822395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e00ebe3869f7287ebae6b15394e252eb2ada4e822705cc071df55580e43554

Aliases

arxiv: 1811.07678 · arxiv_version: 1811.07678v1 · doi: 10.48550/arxiv.1811.07678 · pith_short_12: 2HQA5PRYNH3S · pith_short_16: 2HQA5PRYNH3SQ7V2 · pith_short_8: 2HQA5PRY

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/2HQA5PRYNH3SQ7V242YVHFHCKL \
  | 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: d1e00ebe3869f7287ebae6b15394e252eb2ada4e822705cc071df55580e43554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fe17b241cb1c378771a0dc5bbc7779db06425b44ba9863c26372a4a2fc1fa01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-19T13:38:11Z",
    "title_canon_sha256": "9c502ea53e89093d40d9db7781a606e5471fbc948d9fe2c4dda2a566210e062e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07678",
    "kind": "arxiv",
    "version": 1
  }
}