Pith Number

pith:X2TUH7QM

pith:2015:X2TUH7QMNMMTNVTHS6P5NNPGWI

not attested not anchored not stored refs pending

Superluminous Spiral Galaxies

Cyril Nader, George Helou, Lauranne Lanz, Patrick M. Ogle

arxiv:1511.00659 v2 · 2015-11-02 · 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{X2TUH7QMNMMTNVTHS6P5NNPGWI}

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	2026-05-18T01:21:30.275065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea743fe0c6b1936d667979fd6b5e6b239357eb1ccc99c7ca15e57692573c934

Aliases

arxiv: 1511.00659 · arxiv_version: 1511.00659v2 · doi: 10.48550/arxiv.1511.00659 · pith_short_12: X2TUH7QMNMMT · pith_short_16: X2TUH7QMNMMTNVTH · pith_short_8: X2TUH7QM

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/X2TUH7QMNMMTNVTHS6P5NNPGWI \
  | 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: bea743fe0c6b1936d667979fd6b5e6b239357eb1ccc99c7ca15e57692573c934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1593d616086a61cbbaf848f977a758c35c22bffd975775ca8b3cbea6d7878ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-02T19:57:43Z",
    "title_canon_sha256": "9c7c21cb4898e0f08cf675aaff9ebcf7311f6d966df4dd67bf3ca29fc4237d0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00659",
    "kind": "arxiv",
    "version": 2
  }
}