Pith Number

pith:ZMDWLT7U

pith:2019:ZMDWLT7UNYYKRKYWYANDFL2JEA

not attested not anchored not stored refs pending

Hunting for Galaxies and Halos in simulations with VELOCIraptor

Aaron S.G. Robotham, Chris Power, Claudia del P. Lagos, James S. Willis, Pascal J. Elahi, Rhys J.J. Poulton, Rodrigo Ca\~nas, Rodrigo J. Tobar

arxiv:1902.01010 v2 · 2019-02-04 · 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{ZMDWLT7UNYYKRKYWYANDFL2JEA}

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	2026-05-17T23:43:03.546936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb0765cff46e30a8ab16c01a32af492018d0f8e0f4244165766e17ddc8e961ce

Aliases

arxiv: 1902.01010 · arxiv_version: 1902.01010v2 · doi: 10.48550/arxiv.1902.01010 · pith_short_12: ZMDWLT7UNYYK · pith_short_16: ZMDWLT7UNYYKRKYW · pith_short_8: ZMDWLT7U

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/ZMDWLT7UNYYKRKYWYANDFL2JEA \
  | 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: cb0765cff46e30a8ab16c01a32af492018d0f8e0f4244165766e17ddc8e961ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38fe0cf6be919e481ee608d2d6ccb2843330d974b92e67467ff2f2baad45a474",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-02-04T02:16:48Z",
    "title_canon_sha256": "618d4fb5285e204073dc584e89abb18ef66bfee6934bea145f7bba8daac87651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01010",
    "kind": "arxiv",
    "version": 2
  }
}