Pith Number

pith:E4LEVKP7

pith:2025:E4LEVKP7I4WOAJUHZQJXKCENTA

not attested not anchored not stored refs pending

FEADME: Fast Elliptical Accretion Disk Modeling Engine

Ferdinand, Jason T. Hinkle, K. Decker French, Margaret E. Verrico, Margaret Shepherd, Nicholas Earl, Samaresh Mondal, Yashasvi Moon

arxiv:2512.10228 v2 · 2025-12-11 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4LEVKP7I4WOAJUHZQJXKCENTA}

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	2026-07-07T02:17:14.915830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27164aa9ff472ce02687cc1375088d981289eba2e7fe326f927bad0c6cff16b5

Aliases

arxiv: 2512.10228 · arxiv_version: 2512.10228v2 · doi: 10.48550/arxiv.2512.10228 · pith_short_12: E4LEVKP7I4WO · pith_short_16: E4LEVKP7I4WOAJUH · pith_short_8: E4LEVKP7

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/E4LEVKP7I4WOAJUHZQJXKCENTA \
  | 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: 27164aa9ff472ce02687cc1375088d981289eba2e7fe326f927bad0c6cff16b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81866ba7ff8e2b92566c0978ebcd70aa1cfb85c2feab1d3ae723de4a6db6208e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-12-11T02:22:59Z",
    "title_canon_sha256": "9aec5832d7819d91d558afc3faf71f991d10dbcd5760f79f17d4a805f6b95dac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.10228",
    "kind": "arxiv",
    "version": 2
  }
}