Pith Number

pith:4Y4Y4OJP

pith:2023:4Y4Y4OJPBRIPGAJ4VOWEB62AGX

not attested not anchored not stored refs pending

A positivity-preserving adaptive-order finite-difference scheme for GRMHD

Fran\c{c}ois H\'ebert, Lawrence E. Kidder, Marceline S. Bonilla, Mark A. Scheel, Nils Deppe, Nils L. Vu, Saul A. Teukolsky, William Throwe, Yoonsoo Kim

arxiv:2306.04755 v2 · 2023-06-07 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Y4Y4OJPBRIPGAJ4VOWEB62AGX}

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	2026-07-05T07:34:48.592185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6398e392f0c50f3013cabac40fb4035fb013b7eb21c68a90dc2b0242ad0e595

Aliases

arxiv: 2306.04755 · arxiv_version: 2306.04755v2 · doi: 10.48550/arxiv.2306.04755 · pith_short_12: 4Y4Y4OJPBRIP · pith_short_16: 4Y4Y4OJPBRIPGAJ4 · pith_short_8: 4Y4Y4OJP

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/4Y4Y4OJPBRIPGAJ4VOWEB62AGX \
  | 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: e6398e392f0c50f3013cabac40fb4035fb013b7eb21c68a90dc2b0242ad0e595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83fbc49c3e2723bbb9514623a4bd090cde2c92a6b40218351736ee1290fd52d2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-06-07T20:05:36Z",
    "title_canon_sha256": "a7623cf62ce1aacdfda2f1df087761a70cf28d21a69dd09167bed9793a1082e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.04755",
    "kind": "arxiv",
    "version": 2
  }
}