Pith Number

pith:HPS64KGY

pith:2024:HPS64KGYWZY2BF3ZZUK4D4E4QU

not attested not anchored not stored refs pending

A Tetrad-First Approach to Robust Numerical Algorithms in General Relativity

Ammar Hakim, James Juno, Jason M. TenBarge, Jonathan Gorard

arxiv:2410.02549 v2 · 2024-10-03 · gr-qc · astro-ph.HE · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPS64KGYWZY2BF3ZZUK4D4E4QU}

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	2026-07-05T10:54:37.230557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be5ee28d8b671a09779cd15c1f09c8522aed73c711c9c6586d1d27832325030

Aliases

arxiv: 2410.02549 · arxiv_version: 2410.02549v2 · doi: 10.48550/arxiv.2410.02549 · pith_short_12: HPS64KGYWZY2 · pith_short_16: HPS64KGYWZY2BF3Z · pith_short_8: HPS64KGY

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/HPS64KGYWZY2BF3ZZUK4D4E4QU \
  | 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: 3be5ee28d8b671a09779cd15c1f09c8522aed73c711c9c6586d1d27832325030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d544ce4acd7b5b3454df8ba31c6799981d730a825282a555b456d2fc76f4060b",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-10-03T14:53:38Z",
    "title_canon_sha256": "f00f73c1d2fe5bfdbe914d326c5962f9677bcec6bd010580cddcf36a0dbc1e3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.02549",
    "kind": "arxiv",
    "version": 2
  }
}