Pith Number

pith:IYIRFS3I

pith:1999:IYIRFS3ILDKMUCI5ZW5P4LO3RF

not attested not anchored not stored refs pending

Hydrodynamical simulations of the Sunyaev--Zel'dovich effect

Andrew R Liddle, Antonio C da Silva, Domingos Barbosa, Peter A Thomas

arxiv:astro-ph/9907224 v3 · 1999-07-16 · 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{IYIRFS3ILDKMUCI5ZW5P4LO3RF}

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	2026-05-18T01:07:36.288601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

461112cb6858d4ca091dcdbafe2ddb897a8f1ab864229ee1eb146530391e254e

Aliases

arxiv: astro-ph/9907224 · arxiv_version: astro-ph/9907224v3 · doi: 10.48550/arxiv.astro-ph/9907224 · pith_short_12: IYIRFS3ILDKM · pith_short_16: IYIRFS3ILDKMUCI5 · pith_short_8: IYIRFS3I

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/IYIRFS3ILDKMUCI5ZW5P4LO3RF \
  | 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: 461112cb6858d4ca091dcdbafe2ddb897a8f1ab864229ee1eb146530391e254e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9503d903159e30b23f701a7f825a169d3d2ac7f21a0177bc812a61eb3ece7071",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-16T13:40:57Z",
    "title_canon_sha256": "aa260e607a22ac0f4d13ad518a04079efa2c60eedd8484998bdb865338378778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907224",
    "kind": "arxiv",
    "version": 3
  }
}