Pith Number

pith:YXPGW2NJ

pith:2021:YXPGW2NJF2GYBHFQ3P5QLXZSXA

not attested not anchored not stored refs pending

Elliptica: a new pseudo-spectral code for the construction of initial data

Alireza Rashti, Bernd Br\"ugmann, Francesco Maria Fabbri, Maximiliano Ujevic, Swami Vivekanandji Chaurasia, Tim Dietrich, Wolfgang Tichy

arxiv:2109.14511 v4 · 2021-09-29 · gr-qc · physics.comp-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{YXPGW2NJF2GYBHFQ3P5QLXZSXA}

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.

Cited by

1 paper in Pith

Self-force calculations with numerical relativity methods

Receipt and verification

First computed	2026-07-05T04:25:46.300196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5de6b69a92e8d809cb0dbfb05df32b80edd66f46d25276ffba1125b4f52cc23

Aliases

arxiv: 2109.14511 · arxiv_version: 2109.14511v4 · doi: 10.48550/arxiv.2109.14511 · pith_short_12: YXPGW2NJF2GY · pith_short_16: YXPGW2NJF2GYBHFQ · pith_short_8: YXPGW2NJ

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/YXPGW2NJF2GYBHFQ3P5QLXZSXA \
  | 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: c5de6b69a92e8d809cb0dbfb05df32b80edd66f46d25276ffba1125b4f52cc23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5caf9b1437188d8bc7ecba732b17527dc1e98961d12b7c227bac099eeab20129",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-09-29T15:50:17Z",
    "title_canon_sha256": "b74a0795891ff211b66ffad0ff3b5a762aafdfe89e3d1e709462d019fcc83150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14511",
    "kind": "arxiv",
    "version": 4
  }
}