Pith Number

pith:MEEJPWO4

pith:2015:MEEJPWO4ZE2K7Q7JC4AZPG3HDG

not attested not anchored not stored refs pending

Giant disk galaxies : Where environment trumps mass in galaxy evolution

D. Pomarede, D. Zaritsky, H.M. Courtois, J.G. Sorce

arxiv:1502.00292 v1 · 2015-02-01 · astro-ph.GA · 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{MEEJPWO4ZE2K7Q7JC4AZPG3HDG}

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	2026-05-18T01:41:05.490882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

610897d9dcc934afc3e91701979b6719af3ccad17069960332db5097a876ade8

Aliases

arxiv: 1502.00292 · arxiv_version: 1502.00292v1 · doi: 10.48550/arxiv.1502.00292 · pith_short_12: MEEJPWO4ZE2K · pith_short_16: MEEJPWO4ZE2K7Q7J · pith_short_8: MEEJPWO4

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/MEEJPWO4ZE2K7Q7JC4AZPG3HDG \
  | 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: 610897d9dcc934afc3e91701979b6719af3ccad17069960332db5097a876ade8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea1815d61aede80807daf2ed27c7284efe9b3a124630b4346ffc8d216ac085e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-01T18:16:13Z",
    "title_canon_sha256": "44153f1d4805945e5c3514fcba254159aab9442649201633d4bbcb6947d7d79c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00292",
    "kind": "arxiv",
    "version": 1
  }
}