Pith Number

pith:HBY26K5K

pith:2021:HBY26K5KM42L5NQUMUSKDYRSSB

not attested not anchored not stored refs pending

NIHAO-LG: The uniqueness of Local Group dwarf galaxies

Andrea V. Macci\'o, Chris B. Brook, Connor Stone, Eduardo Carlesi, Gustavo Yepes, Jenny G. Sorce, Nikhil Arora, Noam I. Libeskind, St\'ephane Courteau, Tobias Buck, Yehuda Hoffman

arxiv:2109.07487 v2 · 2021-09-15 · 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{HBY26K5KM42L5NQUMUSKDYRSSB}

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	2026-07-05T04:14:51.319443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3871af2baa6734beb6146524a1e232904b719e6056943859e366ece0e046f0e8

Aliases

arxiv: 2109.07487 · arxiv_version: 2109.07487v2 · doi: 10.48550/arxiv.2109.07487 · pith_short_12: HBY26K5KM42L · pith_short_16: HBY26K5KM42L5NQU · pith_short_8: HBY26K5K

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/HBY26K5KM42L5NQUMUSKDYRSSB \
  | 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: 3871af2baa6734beb6146524a1e232904b719e6056943859e366ece0e046f0e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb55c7b0beca82e9d1eb617c949c3aa27c5132ced68027947e1c4a04154611c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-15T18:00:04Z",
    "title_canon_sha256": "27a4f22c4a0ab9dfeac706da3122838e1f69a2a550b8362e0f04f8747c20561a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07487",
    "kind": "arxiv",
    "version": 2
  }
}