Pith Number

pith:F2VVDRZ5

pith:2018:F2VVDRZ5BI2J4HZSBIS3CXJFFT

not attested not anchored not stored refs pending

Calibrated, cosmological hydrodynamical simulations with variable IMFs II: Correlations between the IMF and global galaxy properties

Christopher Barber, Joop Schaye, Robert A. Crain

arxiv:1806.09406 v2 · 2018-06-25 · 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{F2VVDRZ5BI2J4HZSBIS3CXJFFT}

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	2026-05-18T00:02:49.252777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eab51c73d0a349e1f320a25b15d252ce50ac16f7b385494cd5c87f3ca1f4525

Aliases

arxiv: 1806.09406 · arxiv_version: 1806.09406v2 · doi: 10.48550/arxiv.1806.09406 · pith_short_12: F2VVDRZ5BI2J · pith_short_16: F2VVDRZ5BI2J4HZS · pith_short_8: F2VVDRZ5

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/F2VVDRZ5BI2J4HZSBIS3CXJFFT \
  | 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: 2eab51c73d0a349e1f320a25b15d252ce50ac16f7b385494cd5c87f3ca1f4525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f4a52f9a41591c7e85924941aee7243d0c254a7d7ca62167df5cb11213ea4da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-25T12:02:59Z",
    "title_canon_sha256": "21fd2bf4b4b1148ca27f7f600c3a2d3eefd7bb7d674d41402e06291bf4c62e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09406",
    "kind": "arxiv",
    "version": 2
  }
}