Pith Number

pith:DWMTGO2I

pith:2018:DWMTGO2I7PKW6OSAXGLOIIPPYU

not attested not anchored not stored refs pending

Modelling massive-star feedback with Monte Carlo radiation hydrodynamics: photoionization and radiation pressure in a turbulent cloud

Ahmad Ali, Thomas A. Douglas, Tim J. Harries

arxiv:1804.07309 v1 · 2018-04-19 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWMTGO2I7PKW6OSAXGLOIIPPYU}

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	2026-05-18T00:17:59.185880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d99333b48fbd56f3a40b996e421efc5391eccb17f373366fd791a19c9dfc12b

Aliases

arxiv: 1804.07309 · arxiv_version: 1804.07309v1 · doi: 10.48550/arxiv.1804.07309 · pith_short_12: DWMTGO2I7PKW · pith_short_16: DWMTGO2I7PKW6OSA · pith_short_8: DWMTGO2I

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/DWMTGO2I7PKW6OSAXGLOIIPPYU \
  | 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: 1d99333b48fbd56f3a40b996e421efc5391eccb17f373366fd791a19c9dfc12b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f02aa01b0cc3ad9208fae0613d446a655318f4a2220d8975e36fa26e9f3da7d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-19T18:00:06Z",
    "title_canon_sha256": "9bfd73834203519e9a6c79ac37c51d0c22959c8729c4d671fa4b482e5b780287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07309",
    "kind": "arxiv",
    "version": 1
  }
}