Pith Number

pith:3EK2USHV

pith:2014:3EK2USHVZPMWFGURWZ52PX2KTX

not attested not anchored not stored refs pending

Discovery of a close pair of faint dwarf galaxies in the halo of Centaurus A

(2) Harvard-Smithsonian Center for Astrophysics, (3) UCO/Lick Observatory, (4) Department of Physics, (5) Observatories of the Carnegie Institution for Science, (6) Michigan State University, A. Seth (4), Astronomy, B. McLeod (2), CA, Cambridge, D. Crnojevi\'c (1), Department of Physics, D. J. Sand (1), East Lansing, E. Toloba (3) ((1) Texas Tech University, J. Simon (5), J. Strader (6), Lubbock, MA, MI, N. Caldwell (2), Pasadena, P. Guhathakurta (3), Physics Department, Salt Lake City, Santa Cruz, TX, University of California, University of Utah, USA, USA), UT

arxiv:1409.4776 v1 · 2014-09-16 · 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{3EK2USHVZPMWFGURWZ52PX2KTX}

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	2026-05-18T01:42:01.969894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d915aa48f5cbd9629a91b67ba7df4a9dd12cf4f59a42e1b9582c9dfe996d791a

Aliases

arxiv: 1409.4776 · arxiv_version: 1409.4776v1 · doi: 10.48550/arxiv.1409.4776 · pith_short_12: 3EK2USHVZPMW · pith_short_16: 3EK2USHVZPMWFGUR · pith_short_8: 3EK2USHV

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/3EK2USHVZPMWFGURWZ52PX2KTX \
  | 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: d915aa48f5cbd9629a91b67ba7df4a9dd12cf4f59a42e1b9582c9dfe996d791a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fb8a518886eee484bc6abb6e26fedacd8a5cfdfe6bcf55c4d780b64815db059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-16T20:00:14Z",
    "title_canon_sha256": "51d909782e17b0e23806a21253fd4846a8533e8e9f28e9d39e1e40d4bb0b0c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4776",
    "kind": "arxiv",
    "version": 1
  }
}