Pith Number

pith:5PCMNYZE

pith:2010:5PCMNYZEVGMDJ6ZMCKCY4TLQGV

not attested not anchored not stored refs pending

Morphological classification of galaxies and its relation to physical properties

A. J. Connolly, A. M. Hopkins, B. C. Kelly, D. B. Wijesinghe, N. Welikala

arxiv:1001.5322 v2 · 2010-01-29 · 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{5PCMNYZEVGMDJ6ZMCKCY4TLQGV}

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	2026-05-18T02:09:22.352343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc4c6e324a99834fb2c12858e4d7035457f7f3fb19cd410d55435bc85a49381

Aliases

arxiv: 1001.5322 · arxiv_version: 1001.5322v2 · doi: 10.48550/arxiv.1001.5322 · pith_short_12: 5PCMNYZEVGMD · pith_short_16: 5PCMNYZEVGMDJ6ZM · pith_short_8: 5PCMNYZE

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/5PCMNYZEVGMDJ6ZMCKCY4TLQGV \
  | 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: ebc4c6e324a99834fb2c12858e4d7035457f7f3fb19cd410d55435bc85a49381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0cfe260e445797726edbeeefd305302295183aa9cb8962b57122f8dff07cce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-29T04:31:35Z",
    "title_canon_sha256": "644a0c96dbe4b47c2dd39218d00a15d9dc83e622d1de8df03684a1de29f9b218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5322",
    "kind": "arxiv",
    "version": 2
  }
}