Pith Number

pith:7MMZ5DDY

pith:2015:7MMZ5DDYHQCO762EZXFWBKDHCP

not attested not anchored not stored refs pending

MegaMorph: classifying galaxy morphology using multi-wavelength S\'ersic profile fits

A.L. Rojas, B. H\"au{\ss}ler, B. Vulcani, M. Vika, S.P. Bamford

arxiv:1502.05627 v1 · 2015-02-19 · 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{7MMZ5DDYHQCO762EZXFWBKDHCP}

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	2026-05-18T02:14:16.871342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb199e8c783c04effb44cdcb60a86713c29ac5079940ee3ee6e8e1bf2ec62696

Aliases

arxiv: 1502.05627 · arxiv_version: 1502.05627v1 · doi: 10.48550/arxiv.1502.05627 · pith_short_12: 7MMZ5DDYHQCO · pith_short_16: 7MMZ5DDYHQCO762E · pith_short_8: 7MMZ5DDY

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/7MMZ5DDYHQCO762EZXFWBKDHCP \
  | 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: fb199e8c783c04effb44cdcb60a86713c29ac5079940ee3ee6e8e1bf2ec62696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "765032c45a9f2ad723d0bd358559b3f5c81f73d2189fbc343de50ed16fcd9930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-19T17:01:01Z",
    "title_canon_sha256": "c028f90b4ada9aa5b4025f391e845c7810df1bb79f64aa2096a5c03ff225f640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05627",
    "kind": "arxiv",
    "version": 1
  }
}