Pith Number

pith:NUNQCUP3

pith:2020:NUNQCUP3YHMH6NDRRVXWZGNTS7

not attested not anchored not stored refs pending

A smoothed particle hydrodynamics algorithm for multigrain dust with separate sets of particles

Christophe Pinte, Daniel J. Price, Daniel Mentiplay, Guillaume Laibe

arxiv:2010.06074 v2 · 2020-10-12 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUNQCUP3YHMH6NDRRVXWZGNTS7}

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	2026-07-05T01:46:03.341307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1b0151fbc1d87f34718d6f6c99b397fb5b8aad9996dda56d45a5b0012790fc

Aliases

arxiv: 2010.06074 · arxiv_version: 2010.06074v2 · doi: 10.48550/arxiv.2010.06074 · pith_short_12: NUNQCUP3YHMH · pith_short_16: NUNQCUP3YHMH6NDR · pith_short_8: NUNQCUP3

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/NUNQCUP3YHMH6NDRRVXWZGNTS7 \
  | 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: 6d1b0151fbc1d87f34718d6f6c99b397fb5b8aad9996dda56d45a5b0012790fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b06d19ea79728d25ba3a12faf9eb3c5fadeafc5114a2950281df1ac29ceaf4c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-10-12T23:22:06Z",
    "title_canon_sha256": "809cd6b2487f8d0bbab80eaf919b9c31bfec08c783164abe2b4ab1155faeba6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.06074",
    "kind": "arxiv",
    "version": 2
  }
}