Pith Number

pith:UZP2NWF3

pith:2005:UZP2NWF3YPA2HMKSZTN7AWTGH4

not attested not anchored not stored refs pending

Characteristics of the curvature effect of uniform jets or spherical fireballs

Rui-Jing Lu, Yi-Ping Qin

arxiv:astro-ph/0508537 v2 · 2005-08-25 · 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{UZP2NWF3YPA2HMKSZTN7AWTGH4}

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	2026-07-04T14:14:22.941783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a65fa6d8bbc3c1a3b152ccdbf05a663f385d3c17657e841289ba7d3d36c7276e

Aliases

arxiv: astro-ph/0508537 · arxiv_version: astro-ph/0508537v2 · doi: 10.48550/arxiv.astro-ph/0508537 · pith_short_12: UZP2NWF3YPA2 · pith_short_16: UZP2NWF3YPA2HMKS · pith_short_8: UZP2NWF3

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/UZP2NWF3YPA2HMKSZTN7AWTGH4 \
  | 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: a65fa6d8bbc3c1a3b152ccdbf05a663f385d3c17657e841289ba7d3d36c7276e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "295a78d32b612f904994610896c07361e413317fcad8b9d3b2a43df5ad237fa4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-25T02:58:51Z",
    "title_canon_sha256": "f62cf5aafb070a71aaffffca3f8663e89640701188b1fca222d363970fef1cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508537",
    "kind": "arxiv",
    "version": 2
  }
}