Pith Number

pith:IWA5LWKP

pith:2020:IWA5LWKPEYY7KQFQVGHJX5ZGJS

not attested not anchored not stored refs pending

A two-moment radiation hydrodynamics scheme applicable to simulations of planet formation in circumstellar disks

Andrea Mignone, Hubert Klahr, Julio David Melon Fuksman, Mario Flock

arxiv:2005.01785 v2 · 2020-05-04 · astro-ph.EP · astro-ph.IM · 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{IWA5LWKPEYY7KQFQVGHJX5ZGJS}

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	2026-07-05T02:07:46.622110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4581d5d94f2631f540b0a98e9bf7264cb06e460d8af341342519c0f0f636d4f2

Aliases

arxiv: 2005.01785 · arxiv_version: 2005.01785v2 · doi: 10.48550/arxiv.2005.01785 · pith_short_12: IWA5LWKPEYY7 · pith_short_16: IWA5LWKPEYY7KQFQ · pith_short_8: IWA5LWKP

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/IWA5LWKPEYY7KQFQVGHJX5ZGJS \
  | 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: 4581d5d94f2631f540b0a98e9bf7264cb06e460d8af341342519c0f0f636d4f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231fd1de7047923b48dd9f41c471abfd78f39c02bb3014a24de3efb3a058f28d",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-05-04T18:44:41Z",
    "title_canon_sha256": "7c4c160978c02e449270b6fdf23e57f1ba35cf78166c84a21f06de83550f871f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.01785",
    "kind": "arxiv",
    "version": 2
  }
}