Pith Number

pith:EAOTKOQJ

pith:1996:EAOTKOQJDCRWS7FKMFZUXTXPUZ

not attested not anchored not stored refs pending

An Implicit Lagrangean Code for Spherically Symmetric General Relativistic Hydrodynamics with an Approximate Riemann Solver

Shoichi Yamada

arxiv:astro-ph/9601042 v1 · 1996-01-10 · astro-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{EAOTKOQJDCRWS7FKMFZUXTXPUZ}

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	2026-07-04T15:59:33.115672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

201d353a0918a3697caa61734bceefa651ce29ec7ba4e5796f3d1e0e424e0091

Aliases

arxiv: astro-ph/9601042 · arxiv_version: astro-ph/9601042v1 · doi: 10.48550/arxiv.astro-ph/9601042 · pith_short_12: EAOTKOQJDCRW · pith_short_16: EAOTKOQJDCRWS7FK · pith_short_8: EAOTKOQJ

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/EAOTKOQJDCRWS7FKMFZUXTXPUZ \
  | 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: 201d353a0918a3697caa61734bceefa651ce29ec7ba4e5796f3d1e0e424e0091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca0022d4d80e9a6afaec529722ae262cde20c9e983fa13693a7c1157c33501c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-10T15:09:36Z",
    "title_canon_sha256": "d78c339bb578089eb15ea8c441df04016520cc2b7b83834f739efff6ff84d0d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601042",
    "kind": "arxiv",
    "version": 1
  }
}