Pith Number

pith:CEJ5C2F2

pith:2023:CEJ5C2F23NXN43UZEVCTF7VFNG

not attested not anchored not stored refs pending

Completeness of the NASA/IPAC Extragalactic Database (NED) -- Local Volume Sample

(2) Department of Astronomy & Astrophysics, 3), (3) Observatories of the Carnegie Institution for Science, (4) Space Telescope Science Institute, (5) NASA Goddard Space Flight Center, (6) Department of Astronomy, 7), (7) Dept. of Physics & Astronomy, A. Alcala (1), B.F. Madore (2, C. Frayer (1), D.O. Cook (1), G. Helou (1), J. Kim (1), J.M. Mazzarella (1), J. Valladon (6, L.P. Singer (5), M. Schmitz (1), P.M. Ogle (4), R. Ebert (1), San Diego State University, San Jose State University), S. Terek (1), T. Lo (1), T.X. Chen (1), University of Chicago, X. Wu (1) ((1) Caltech/IPAC

arxiv:2306.06271 v1 · 2023-06-09 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CEJ5C2F23NXN43UZEVCTF7VFNG}

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	2026-07-05T06:19:22.840531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1113d168badb6ede6e99254532fea56989b6b6f3d48fbe8a9d305a2eace652f3

Aliases

arxiv: 2306.06271 · arxiv_version: 2306.06271v1 · doi: 10.48550/arxiv.2306.06271 · pith_short_12: CEJ5C2F23NXN · pith_short_16: CEJ5C2F23NXN43UZ · pith_short_8: CEJ5C2F2

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/CEJ5C2F23NXN43UZEVCTF7VFNG \
  | 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: 1113d168badb6ede6e99254532fea56989b6b6f3d48fbe8a9d305a2eace652f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc8dac38f113fc2d3f2437715889f8f598a7c2fc9804fcc77e474f3abf78366",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-09T21:47:08Z",
    "title_canon_sha256": "0fb256cf403c81670cc18f4c31b5819bd22fda7fddb04c8a3ab5629b58a768ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.06271",
    "kind": "arxiv",
    "version": 1
  }
}