Pith Number

pith:FRXRICQF

pith:2012:FRXRICQFR2U3QOVTJEASD55IXP

not attested not anchored not stored refs pending

Rotation rates, sizes, and star formation efficiencies of a representative population of simulated disc galaxies

Andreea S. Font, Carlos S. Frenk, Claudio Dalla Vecchia, Ian G. McCarthy, Joop Schaye, Robert A. Crain, Tom Theuns

arxiv:1204.5195 v2 · 2012-04-23 · 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{FRXRICQFR2U3QOVTJEASD55IXP}

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	2026-05-18T03:40:49.434972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6f140a058ea9b83ab3490121f7a8bbeb065c68df5e777718ee9c4ce29c7201

Aliases

arxiv: 1204.5195 · arxiv_version: 1204.5195v2 · doi: 10.48550/arxiv.1204.5195 · pith_short_12: FRXRICQFR2U3 · pith_short_16: FRXRICQFR2U3QOVT · pith_short_8: FRXRICQF

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/FRXRICQFR2U3QOVTJEASD55IXP \
  | 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: 2c6f140a058ea9b83ab3490121f7a8bbeb065c68df5e777718ee9c4ce29c7201

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a22446298f9ef02d77ab7f6e95bfafc065c8ce6d9ec01002065e0500c409814d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-23T20:09:07Z",
    "title_canon_sha256": "27b73403264e9a041a63c9c36ead7967c7e7765c8e56d4bb996f7b203c7d8bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5195",
    "kind": "arxiv",
    "version": 2
  }
}