Pith Number

pith:4U42OB7W

pith:2005:4U42OB7WF2NMGRIJH3BH6WHDMZ

not attested not anchored not stored refs pending

Galactic Centre stellar winds and Sgr A* accretion

Garching), J. Cuadra, S. Nayakshin, T. Di Matteo (MPA, V. Springel

arxiv:astro-ph/0505382 v2 · 2005-05-18 · 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{4U42OB7WF2NMGRIJH3BH6WHDMZ}

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	2026-07-04T14:49:54.752534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e539a707f62e9ac345093ec27f58e3667c6414dbf4e1ed723b2ae10ec329ce35

Aliases

arxiv: astro-ph/0505382 · arxiv_version: astro-ph/0505382v2 · doi: 10.48550/arxiv.astro-ph/0505382 · pith_short_12: 4U42OB7WF2NM · pith_short_16: 4U42OB7WF2NMGRIJ · pith_short_8: 4U42OB7W

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/4U42OB7WF2NMGRIJH3BH6WHDMZ \
  | 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: e539a707f62e9ac345093ec27f58e3667c6414dbf4e1ed723b2ae10ec329ce35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa9d0a3348413c73539fb4eb1fd31ad60467a290635910d3405be3f7479d65a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-18T17:06:44Z",
    "title_canon_sha256": "9e4d3fd5fe405abee15e87f3d908b065e5bde772ee96b84f89be325d34da3140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505382",
    "kind": "arxiv",
    "version": 2
  }
}