Pith Number

pith:WYF53ANP

pith:2015:WYF53ANP2RKXWC7IG4CUQEUTU6

not attested not anchored not stored refs pending

Galaxies in the EAGLE hydrodynamical simulation and in the Durham and Munich semi-analytical models

Carlos S. Frenk, Cedric G. Lacey, Claudia del P. Lagos, John C. Helly, Joop Schaye, Matthieu Schaller, Michelle Furlong, Peter Mitchell, Qi Guo, Quan Guo, Richard G. Bower, Robert A. Crain, Shaun Cole, Tom Theuns, Violeta Gonzalez-Perez

arxiv:1512.00015 v2 · 2015-11-30 · 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{WYF53ANP2RKXWC7IG4CUQEUTU6}

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	2026-05-18T01:10:08.021127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b60bdd81afd4557b0be83705481293a7b0a8945e4366134b581bb2f3c81ab726

Aliases

arxiv: 1512.00015 · arxiv_version: 1512.00015v2 · doi: 10.48550/arxiv.1512.00015 · pith_short_12: WYF53ANP2RKX · pith_short_16: WYF53ANP2RKXWC7I · pith_short_8: WYF53ANP

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/WYF53ANP2RKXWC7IG4CUQEUTU6 \
  | 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: b60bdd81afd4557b0be83705481293a7b0a8945e4366134b581bb2f3c81ab726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8afa3494f5ae8b1cd98f99207902028a693edfea41bfbcbea08d7e6ba7f9de0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-30T21:00:07Z",
    "title_canon_sha256": "84affc382f17e00e0f12ce5ed65d1bcfd29b7f17f07d2126bd3098d3beab4571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00015",
    "kind": "arxiv",
    "version": 2
  }
}