Pith Number

pith:ULT3EUNC

pith:2013:ULT3EUNCIBAR4R6GQVWXSSGDYD

not attested not anchored not stored refs pending

On the Scaling Relations of Disk Galaxies

Riccardo Giovanelli (Cornell University)

arxiv:1304.0346 v1 · 2013-04-01 · 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{ULT3EUNCIBAR4R6GQVWXSSGDYD}

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	2026-05-18T01:50:50.539128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e7b251a240411e47c6856d7948c3c0f423738b7d0fd3352a5e554e9681d4d6

Aliases

arxiv: 1304.0346 · arxiv_version: 1304.0346v1 · doi: 10.48550/arxiv.1304.0346 · pith_short_12: ULT3EUNCIBAR · pith_short_16: ULT3EUNCIBAR4R6G · pith_short_8: ULT3EUNC

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/ULT3EUNCIBAR4R6GQVWXSSGDYD \
  | 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: a2e7b251a240411e47c6856d7948c3c0f423738b7d0fd3352a5e554e9681d4d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6e91f124ac6d593715ccb17a7d44d9a2542e89b36a350669717541f32825e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-01T12:59:10Z",
    "title_canon_sha256": "a0b0893d206f0eb85ac7f8af1e9da5e448c4c028cd82ec614f26dc3a254dce08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0346",
    "kind": "arxiv",
    "version": 1
  }
}