Pith Number

pith:MFNF6GRX

pith:2017:MFNF6GRXYQ4S42IIGH7653YCRB

not attested not anchored not stored refs pending

Comparing galaxy formation in semi-analytic models and hydrodynamical simulations

Carlos S. Frenk, Cedric G. Lacey, Claudia D. P. Lagos, John C. Helly, Matthieu Schaller, Peter D. Mitchell, Richard G. Bower, Shaun Cole, Tom Theuns, Violeta Gonzalez-Perez

arxiv:1709.08647 v2 · 2017-09-25 · 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{MFNF6GRXYQ4S42IIGH7653YCRB}

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	2026-05-18T00:27:43.126184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

615a5f1a37c4392e690831ffeeef02885ee84a0e5567f358750823d559108ec5

Aliases

arxiv: 1709.08647 · arxiv_version: 1709.08647v2 · doi: 10.48550/arxiv.1709.08647 · pith_short_12: MFNF6GRXYQ4S · pith_short_16: MFNF6GRXYQ4S42II · pith_short_8: MFNF6GRX

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/MFNF6GRXYQ4S42IIGH7653YCRB \
  | 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: 615a5f1a37c4392e690831ffeeef02885ee84a0e5567f358750823d559108ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05474c9507537f36f6f4efcd0be83005df4ee5744258a76d33163f86068ae30e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-25T18:00:32Z",
    "title_canon_sha256": "c60632c35b6d23e43ba4ed6f8f7304152374e7953653cbc4eac41aa0223930cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08647",
    "kind": "arxiv",
    "version": 2
  }
}