Pith Number

pith:NLUTIBDN

pith:2017:NLUTIBDNHINWZKXWA5Y3HPMUKE

not attested not anchored not stored refs pending

Recovery schemes for primitive variables in general-relativistic magnetohydrodynamics

Daniel M. Siegel, Dhruv Desai, Philipp M\"osta, Samantha Wu

arxiv:1712.07538 v2 · 2017-12-20 · 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{NLUTIBDNHINWZKXWA5Y3HPMUKE}

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	2026-05-18T00:12:32.526183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae934046d3a1b6caaf60771b3bd945137dad085a50565a61fa63790aa978b04

Aliases

arxiv: 1712.07538 · arxiv_version: 1712.07538v2 · doi: 10.48550/arxiv.1712.07538 · pith_short_12: NLUTIBDNHINW · pith_short_16: NLUTIBDNHINWZKXW · pith_short_8: NLUTIBDN

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/NLUTIBDNHINWZKXWA5Y3HPMUKE \
  | 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: 6ae934046d3a1b6caaf60771b3bd945137dad085a50565a61fa63790aa978b04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edff177bb26df9dd7293afb30b9b690a6233ddb74b4b00d09e9908b9a39749a6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-20T15:49:25Z",
    "title_canon_sha256": "d036f92b157b913bdf8885b2ca142980d8f3267f04d20d0c052d2f84010aa9a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07538",
    "kind": "arxiv",
    "version": 2
  }
}