Pith Number

pith:JX77CEVC

pith:2017:JX77CEVCN3SSFCBYWH7C3IAJQN

not attested not anchored not stored refs pending

NuSTAR spectral analysis of two bright Seyfert 1 galaxies: MCG +8-11-11 and NGC 6814

A. De Rosa, A. Marinucci, A. Tortosa, D. J. Walton, E. Piconcelli, F. Ursini, G. Matt, L. W. Brenneman, M. Cappi, M. Dadina, P. O. Petrucci, R. Middei, S. Bianchi

arxiv:1709.07231 v2 · 2017-09-21 · 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{JX77CEVCN3SSFCBYWH7C3IAJQN}

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	2026-05-18T00:33:29.768455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dfff112a26ee5228838b1fe2da00983510cceb7dfb073662eaf5c3adf33b576

Aliases

arxiv: 1709.07231 · arxiv_version: 1709.07231v2 · doi: 10.48550/arxiv.1709.07231 · pith_short_12: JX77CEVCN3SS · pith_short_16: JX77CEVCN3SSFCBY · pith_short_8: JX77CEVC

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/JX77CEVCN3SSFCBYWH7C3IAJQN \
  | 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: 4dfff112a26ee5228838b1fe2da00983510cceb7dfb073662eaf5c3adf33b576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0d6ca539451f6390fe656fb16b16ffadca12ef89e68edb17bea69871886e07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-09-21T09:32:41Z",
    "title_canon_sha256": "77da59ff98776c4560c8c087bad967d17e44962e3a9db22c3b4d1b549ddcd8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07231",
    "kind": "arxiv",
    "version": 2
  }
}