Pith Number

pith:C57EPEBJ

pith:2015:C57EPEBJOGHXJ7D37QBYOQDFUG

not attested not anchored not stored refs pending

On the dependence of galaxy morphologies on galaxy mergers

Andrea V. Maccio' (MPIA), Dave Wilman (USM, Fabio Fontanot (INAF-OATs, Gabriella De Lucia (INAF-OATs), HITS), Michaela Hirschmann (IAP), MPE), MPIA), Rachel S. Somerville (Rutgers), Rahul Kannan (MIT

arxiv:1507.04748 v1 · 2015-07-16 · 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{C57EPEBJOGHXJ7D37QBYOQDFUG}

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	2026-05-18T01:36:32.962099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

177e479029718f74fc7bfc03874065a1af5389380d67d640d8ac9b8ab655292a

Aliases

arxiv: 1507.04748 · arxiv_version: 1507.04748v1 · doi: 10.48550/arxiv.1507.04748 · pith_short_12: C57EPEBJOGHX · pith_short_16: C57EPEBJOGHXJ7D3 · pith_short_8: C57EPEBJ

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/C57EPEBJOGHXJ7D37QBYOQDFUG \
  | 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: 177e479029718f74fc7bfc03874065a1af5389380d67d640d8ac9b8ab655292a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60b0514afd487de1210d9fec1d59a35c1ba8c1004b59d550a09a97ebf7b68e96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-16T20:00:34Z",
    "title_canon_sha256": "511c7aeb31dcc4c213aa95d78ede08eeb2ab21d08728c2153e2f806d984405e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04748",
    "kind": "arxiv",
    "version": 1
  }
}