Pith Number

pith:FHKP32AT

pith:2021:FHKP32ATRIDBRDSHEMNTWJXFGR

not attested not anchored not stored refs pending

On the Courant-Friedrichs-Lewy condition for numerical solvers of the coagulation equation

G. Laibe, M. Lombart

arxiv:2109.11065 v1 · 2021-09-20 · physics.comp-ph · astro-ph.EP · 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{FHKP32ATRIDBRDSHEMNTWJXFGR}

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	2026-07-05T03:40:47.188488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d4fde8138a06188e47231b3b26e5344ea7aa8586ab8f20154ae4a4c942e37e

Aliases

arxiv: 2109.11065 · arxiv_version: 2109.11065v1 · doi: 10.48550/arxiv.2109.11065 · pith_short_12: FHKP32ATRIDB · pith_short_16: FHKP32ATRIDBRDSH · pith_short_8: FHKP32AT

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/FHKP32ATRIDBRDSHEMNTWJXFGR \
  | 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: 29d4fde8138a06188e47231b3b26e5344ea7aa8586ab8f20154ae4a4c942e37e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381dbc125e1f6df05c130256705a5c35db7b80f27980023fba2f00bd5d9e7d3d",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-09-20T20:33:51Z",
    "title_canon_sha256": "e5f9b49fa2e321b7d10fd12e7be447825ca64f0b8eda29d0d9cc270b97806936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11065",
    "kind": "arxiv",
    "version": 1
  }
}