Pith Number

pith:IAXE4FZR

pith:2018:IAXE4FZRHOEJLMHCI7SS2TU7WI

not attested not anchored not stored refs pending

A sub-grid model for the growth of dust particles in hydrodynamical simulations of protoplanetary disks

Cl\'ement Surville, Joanna Drazkowska, Lucio Mayer, Tomas Tamfal

arxiv:1804.01093 v2 · 2018-04-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAXE4FZRHOEJLMHCI7SS2TU7WI}

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	2026-05-18T00:05:45.681396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402e4e17313b8895b0e247e52d4e9fb23b0dcb405ebd927a8423e4210ca62486

Aliases

arxiv: 1804.01093 · arxiv_version: 1804.01093v2 · doi: 10.48550/arxiv.1804.01093 · pith_short_12: IAXE4FZRHOEJ · pith_short_16: IAXE4FZRHOEJLMHC · pith_short_8: IAXE4FZR

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/IAXE4FZRHOEJLMHCI7SS2TU7WI \
  | 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: 402e4e17313b8895b0e247e52d4e9fb23b0dcb405ebd927a8423e4210ca62486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b0799657f0441cabd2a76d460d39c131efb7b83833ee187af5a2a51bed39db4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-03T18:00:00Z",
    "title_canon_sha256": "479827b96543cc6cfea1a7cdcd7c85440427d3d3ae7cc1429f8319bdceaf9823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01093",
    "kind": "arxiv",
    "version": 2
  }
}