Pith Number

pith:2PJD7OIX

pith:2023:2PJD7OIX3SCI7T4BT73TEG7YWE

not attested not anchored not stored refs pending

Disk galaxies are self-similar: the universality of the HI-to-Halo mass ratio for isolated disks

Benoit Famaey, Christian Boily, C. Ramos Almeida, D. Esparza-Arredondo, Jean Koulidiati, Jonathan Freundlich, Katarina Kraljic, Lorenzo Posti, Marie Korsaga, Rodrigo Ibata

arxiv:2307.01035 v2 · 2023-07-03 · 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{2PJD7OIX3SCI7T4BT73TEG7YWE}

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	2026-07-05T06:39:02.877475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d23fb917dc848fcf819ff7321bf8b117d3ca4e8d4390c855dfcce52df00db2

Aliases

arxiv: 2307.01035 · arxiv_version: 2307.01035v2 · doi: 10.48550/arxiv.2307.01035 · pith_short_12: 2PJD7OIX3SCI · pith_short_16: 2PJD7OIX3SCI7T4B · pith_short_8: 2PJD7OIX

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/2PJD7OIX3SCI7T4BT73TEG7YWE \
  | 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: d3d23fb917dc848fcf819ff7321bf8b117d3ca4e8d4390c855dfcce52df00db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8249b57bfde041717ab896f8dd56c2c2a05d3a299e01ca09f0381875d2babf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-03T14:10:56Z",
    "title_canon_sha256": "aa1f595075f70803c41dde4e0cccff63e2ab3899934075e17398e496a1ba141e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.01035",
    "kind": "arxiv",
    "version": 2
  }
}