Pith Number

pith:S7W2UQMK

pith:2020:S7W2UQMKIBAOS55QFLQ5Y4BSVI

not attested not anchored not stored refs pending

ScamPy -- A sub-halo clustering & abundance matching based Python interface for painting galaxies on the dark matter halo/sub-halo hierarchy

Alberto Sartori, Andrea Lapi, Matteo Viel, Tommaso Ronconi

arxiv:2002.07179 v2 · 2020-02-17 · 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{S7W2UQMKIBAOS55QFLQ5Y4BSVI}

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	2026-07-05T07:44:49.888113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97edaa418a4040e977b02ae1dc7032aa14898d83456df0133621d418e422698d

Aliases

arxiv: 2002.07179 · arxiv_version: 2002.07179v2 · doi: 10.48550/arxiv.2002.07179 · pith_short_12: S7W2UQMKIBAO · pith_short_16: S7W2UQMKIBAOS55Q · pith_short_8: S7W2UQMK

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/S7W2UQMKIBAOS55QFLQ5Y4BSVI \
  | 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: 97edaa418a4040e977b02ae1dc7032aa14898d83456df0133621d418e422698d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6503bc4597519922356f7d6d50dbc6846218765e2397f97a219a858ffc3c9635",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-02-17T19:00:00Z",
    "title_canon_sha256": "e0084a1267b7df9ea45121388d9126ecf3ec0ce7219e9c5ab2e22ec078a77936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07179",
    "kind": "arxiv",
    "version": 2
  }
}