Pith Number

pith:ESWHHQVX

pith:2018:ESWHHQVXAUBIIQOZUDSA4RZLHI

not attested not anchored not stored refs pending

Structural and Dynamical Properties of Galaxies in a Hierarchical Universe: Sizes and Specific Angular Momenta

Anna Zoldan, Fabio Fontanot, Gabriella De Lucia, Lizhi Xie, Michaela Hirschmann

arxiv:1803.08056 v2 · 2018-03-21 · 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{ESWHHQVXAUBIIQOZUDSA4RZLHI}

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	2026-05-18T00:07:17.867837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ac73c2b705028441d9a0e40e472b3a11a6b7230a8bb48b54ee8f00b7b2dd47

Aliases

arxiv: 1803.08056 · arxiv_version: 1803.08056v2 · doi: 10.48550/arxiv.1803.08056 · pith_short_12: ESWHHQVXAUBI · pith_short_16: ESWHHQVXAUBIIQOZ · pith_short_8: ESWHHQVX

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/ESWHHQVXAUBIIQOZUDSA4RZLHI \
  | 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: 24ac73c2b705028441d9a0e40e472b3a11a6b7230a8bb48b54ee8f00b7b2dd47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18cdce4377793be785f4578e75b129c4c50a6faca714006771497a6380edff29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-21T18:00:07Z",
    "title_canon_sha256": "42dad7258750724b4f4bf90758830a9168af38346c8ad8fbc6ff61e47cbdd524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08056",
    "kind": "arxiv",
    "version": 2
  }
}