Pith Number

pith:UM3IDUMZ

pith:2005:UM3IDUMZNCV73ULK26R2LHHDDI

not attested not anchored not stored refs pending

Merger-Induced Starbursts

Francois Schweizer (Carnegie Observatories, Pasadena)

arxiv:astro-ph/0502111 v1 · 2005-02-04 · 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{UM3IDUMZNCV73ULK26R2LHHDDI}

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	2026-05-18T01:27:16.267554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33681d19968abfdd16ad7a3a59ce31a2a9d6dd7a62f977a9d1f1a7868d860dc

Aliases

arxiv: astro-ph/0502111 · arxiv_version: astro-ph/0502111v1 · doi: 10.48550/arxiv.astro-ph/0502111 · pith_short_12: UM3IDUMZNCV7 · pith_short_16: UM3IDUMZNCV73ULK · pith_short_8: UM3IDUMZ

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/UM3IDUMZNCV73ULK26R2LHHDDI \
  | 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: a33681d19968abfdd16ad7a3a59ce31a2a9d6dd7a62f977a9d1f1a7868d860dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d44deaea7115786fffd59b567e39e3b55b08bb984bb274adf05d6c77441404d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-04T21:05:24Z",
    "title_canon_sha256": "8cec7cf449e843c47e34465b9631b4340bf46495a1bcbf0f1f97c9ce19e41b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502111",
    "kind": "arxiv",
    "version": 1
  }
}