Pith Number

pith:5FZPXBDE

pith:2020:5FZPXBDEEKNDFI3VGTMUXYBCXE

not attested not anchored not stored refs pending

Ultra Diffuse Galaxies in the IC1459 Group from the VEGAS Survey

Bililign T. Dullo, Duncan A. Forbes, Enrichetta Iodice, Jonah Gannon, Marilena Spavone, Michele Cantiello, Pietro Schipani, Warrick J. Couch

arxiv:2004.10855 v1 · 2020-04-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FZPXBDEEKNDFI3VGTMUXYBCXE}

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	2026-07-05T01:00:44.049345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e972fb8464229a32a37534d94be022b91f708477dbfa867cfe2725454d0af895

Aliases

arxiv: 2004.10855 · arxiv_version: 2004.10855v1 · doi: 10.48550/arxiv.2004.10855 · pith_short_12: 5FZPXBDEEKND · pith_short_16: 5FZPXBDEEKNDFI3V · pith_short_8: 5FZPXBDE

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/5FZPXBDEEKNDFI3VGTMUXYBCXE \
  | 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: e972fb8464229a32a37534d94be022b91f708477dbfa867cfe2725454d0af895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "991d270453058392ada0282e830b0e7b8398bbfaee487606eeb643cd2e8a8847",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-22T21:02:25Z",
    "title_canon_sha256": "5b91aec1f923c5b50258bd3b111c3baf5e2250b12af2adfdb52789622e40a40f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.10855",
    "kind": "arxiv",
    "version": 1
  }
}