Pith Number

pith:UXOYGCXS

pith:2011:UXOYGCXSC54QLTQFDQE2LCYBCS

not attested not anchored not stored refs pending

The formation of shell galaxies similar to NGC 7600 in the cold dark matter cosmogony

Andrew P. Cooper, Carlos Frenk, David Martinez-Delgado, John Helly, Julio A. Carballo-Bello, Ken Crawford, R. Jay Gabany, Shaun Cole, Stefano Zibetti

arxiv:1111.2864 v1 · 2011-11-11 · 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{UXOYGCXSC54QLTQFDQE2LCYBCS}

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	2026-05-18T01:59:39.968389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5dd830af2177905ce051c09a58b0114a540d495bdb2ec8fc1ffe1705f971dac

Aliases

arxiv: 1111.2864 · arxiv_version: 1111.2864v1 · doi: 10.48550/arxiv.1111.2864 · pith_short_12: UXOYGCXSC54Q · pith_short_16: UXOYGCXSC54QLTQF · pith_short_8: UXOYGCXS

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/UXOYGCXSC54QLTQFDQE2LCYBCS \
  | 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: a5dd830af2177905ce051c09a58b0114a540d495bdb2ec8fc1ffe1705f971dac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b2c1bd93dd39082e5efd9726ada0b200bcf290f5c72e0c921b0f6934025a09",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-11T21:00:05Z",
    "title_canon_sha256": "5975e5f88ab5ece5c1ed2113e0d979fc50ea59e604ad9a808d909f193853b98f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2864",
    "kind": "arxiv",
    "version": 1
  }
}