Pith Number

pith:LXXDXIVD

pith:2020:LXXDXIVDIXUY75AI6T25LJX2NN

not attested not anchored not stored refs pending

The Cepheid Distance to the Seyfert 1 Galaxy NGC 4151

Adam G. Riess, Bradley M. Peterson, Catherine J. Grier, Christopher A. Onken, Elena Dalla Bont\`a, Erin K. S. Hicks, Gisella De Rosa, Jonathan S. Brown, Laura Ferrarese, Lucas M. Macri, Marianne Vestergaard, Michael M. Fausnaugh, Misty C. Bentz, Richard I. Davies, Richard W. Pogge, Samantha L. Hoffmann, Thaisa Storchi-Bergmann, Wenlong Yuan

arxiv:2007.07888 v2 · 2020-07-15 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXXDXIVDIXUY75AI6T25LJX2NN}

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.

Cited by

2 papers in Pith

Neutrino and pair creation in reconnection-powered coronae of accreting black holes

Particle Acceleration, Coronal Neutrino Production, and the Diffuse Extragalactic Neutrino Background from Supermassive Black Holes

Receipt and verification

First computed	2026-07-05T01:42:39.926558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dee3ba2a345e98ff408f4f5d5a6fa6b4b7c5825c0717c564c6259fbe5eaf73b

Aliases

arxiv: 2007.07888 · arxiv_version: 2007.07888v2 · doi: 10.48550/arxiv.2007.07888 · pith_short_12: LXXDXIVDIXUY · pith_short_16: LXXDXIVDIXUY75AI · pith_short_8: LXXDXIVD

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/LXXDXIVDIXUY75AI6T25LJX2NN \
  | 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: 5dee3ba2a345e98ff408f4f5d5a6fa6b4b7c5825c0717c564c6259fbe5eaf73b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d1676dd7ea6de4fba802d4dfd7f7ca97d2232a2463c9d256c724708628d9b6a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-15T17:28:58Z",
    "title_canon_sha256": "ec4b29d0e0393838796a185a7023915fbc0caeb13530f7b6b239b431a83494f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07888",
    "kind": "arxiv",
    "version": 2
  }
}