Pith Number

pith:TSDUGWF3

pith:2021:TSDUGWF37632UIQESBS3SXLOGV

not attested not anchored not stored refs pending

Downsizing revised: Star formation timescales for elliptical galaxies with an environment-dependent IMF and number of SNIa

Pavel Kroupa, Tereza Jerabkova, Zhiqiang Yan

arxiv:2107.03388 v1 · 2021-07-07 · 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{TSDUGWF37632UIQESBS3SXLOGV}

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.

Cited by

1 paper in Pith

Baryonic mass budgets in the central regions of the Bullet Cluster and their consistency with strong lensing in MOND

Receipt and verification

First computed	2026-07-05T03:28:20.814990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c874358bbffb7aa22049065b95d6e35510623779f69f6ca5ac5d20040d3b89b

Aliases

arxiv: 2107.03388 · arxiv_version: 2107.03388v1 · doi: 10.48550/arxiv.2107.03388 · pith_short_12: TSDUGWF37632 · pith_short_16: TSDUGWF37632UIQE · pith_short_8: TSDUGWF3

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/TSDUGWF37632UIQESBS3SXLOGV \
  | 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: 9c874358bbffb7aa22049065b95d6e35510623779f69f6ca5ac5d20040d3b89b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b2bbe826a5392a6099430c9fbfefddd5a2cc3367cb420c5e2b9513cfe2a755e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-07T18:00:00Z",
    "title_canon_sha256": "553d6f899902489b5beef431a3d897d50720ffa56a3cfed6e32ead03ffd056db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03388",
    "kind": "arxiv",
    "version": 1
  }
}