Pith Number

pith:F5VOI2SN

pith:2018:F5VOI2SNANQEHV7NTFY5PEA3KW

not attested not anchored not stored refs pending

Calibrated, cosmological hydrodynamical simulations with variable IMFs III: Spatially-resolved properties and evolution

Christopher Barber, Joop Schaye, Robert A. Crain

arxiv:1807.11310 v2 · 2018-07-30 · 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{F5VOI2SNANQEHV7NTFY5PEA3KW}

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	2026-05-18T00:01:37.950789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f6ae46a4d036043d7ed9971d7901b558309b7e1d47cfd1f5baff2bac29146bb

Aliases

arxiv: 1807.11310 · arxiv_version: 1807.11310v2 · doi: 10.48550/arxiv.1807.11310 · pith_short_12: F5VOI2SNANQE · pith_short_16: F5VOI2SNANQEHV7N · pith_short_8: F5VOI2SN

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/F5VOI2SNANQEHV7NTFY5PEA3KW \
  | 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: 2f6ae46a4d036043d7ed9971d7901b558309b7e1d47cfd1f5baff2bac29146bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee46047dad39bdff3965c296057c209f687591aebe3f309036a7c6f2f2e73306",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-30T12:19:21Z",
    "title_canon_sha256": "88feae0f6d7037b68f8b7c572b02d4020b629a674ff3ee9cf9df09264b0cac15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11310",
    "kind": "arxiv",
    "version": 2
  }
}