Pith Number

pith:S2JJX7SS

pith:2018:S2JJX7SSMNMBFSOIHDHYQQJ77H

not attested not anchored not stored refs pending

Hierarchal formation and growth of galaxies through dynamical friction

Filip Hu\v{s}ko

arxiv:1811.00811 v1 · 2018-11-02 · 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{S2JJX7SSMNMBFSOIHDHYQQJ77H}

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	2026-05-18T00:01:42.062335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96929bfe52635812c9c838cf88413ff9e7bcf5de33cac0d14d40b27c4f0d3e03

Aliases

arxiv: 1811.00811 · arxiv_version: 1811.00811v1 · doi: 10.48550/arxiv.1811.00811 · pith_short_12: S2JJX7SSMNMB · pith_short_16: S2JJX7SSMNMBFSOI · pith_short_8: S2JJX7SS

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/S2JJX7SSMNMBFSOIHDHYQQJ77H \
  | 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: 96929bfe52635812c9c838cf88413ff9e7bcf5de33cac0d14d40b27c4f0d3e03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc0b8300e1796eaa94f5365866cfdff22a94ba1dc4d11743cbf0d2a6ef6042a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-02T10:45:37Z",
    "title_canon_sha256": "162725800d589027b7084fff0c5a7dfa519f8bb5e39ce6527a97b8e714dc056c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00811",
    "kind": "arxiv",
    "version": 1
  }
}