Pith Number

pith:V5TJHJCO

pith:2014:V5TJHJCOBZK4Y4U7MWIO3R2YRV

not attested not anchored not stored refs pending

The Theoretical Astrophysical Observatory: Cloud-Based Mock Galaxy Catalogues

Alan R. Duffy, Amr H. Hassan, Chiara Tonini, Darren J. Croton, Gregory B. Poole, Luke Hodkinson, Maksym Bernyk, Sarah Hegarty, Simon J. Mutch, Thibault Garel

arxiv:1403.5270 v4 · 2014-03-20 · astro-ph.GA · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5TJHJCOBZK4Y4U7MWIO3R2YRV}

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	2026-05-18T01:16:19.181106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6693a44e0e55cc729f6590edc7588d5a29ce750f77b7ecd453a7c5301cecef

Aliases

arxiv: 1403.5270 · arxiv_version: 1403.5270v4 · doi: 10.48550/arxiv.1403.5270 · pith_short_12: V5TJHJCOBZK4 · pith_short_16: V5TJHJCOBZK4Y4U7 · pith_short_8: V5TJHJCO

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/V5TJHJCOBZK4Y4U7MWIO3R2YRV \
  | 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: af6693a44e0e55cc729f6590edc7588d5a29ce750f77b7ecd453a7c5301cecef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc84020f990b1ecc328b95d3ebaf38c3c096586ea03c0cc1704a00f7182c1200",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-20T20:00:33Z",
    "title_canon_sha256": "274567490482162960703e4ef2588d9f80a0734d4faa886d0d85d36b44aade7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5270",
    "kind": "arxiv",
    "version": 4
  }
}