Pith Number

pith:RND5NZYK

pith:2009:RND5NZYKSIGD4KXRUY42P5KPRV

not attested not anchored not stored refs pending

Star formation in extremely faint dwarf galaxies

Ayesha Begum (Dept of Astronomy, Igor D. Karachentsev (Special Astrophysical Observatory, India), Jayaram N. Chengalur (NCRA-TIFR, Russia), Sambit Roychowdhury (NCRA-TIFR, University of Wisconsin-Madison, USA)

arxiv:0904.2748 v1 · 2009-04-17 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RND5NZYKSIGD4KXRUY42P5KPRV}

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	2026-05-18T02:43:45.874247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b47d6e70a920c3e2af1a639a7f54f8d7a9d96d7b492047f3ed2db8e9b11887f

Aliases

arxiv: 0904.2748 · arxiv_version: 0904.2748v1 · doi: 10.48550/arxiv.0904.2748 · pith_short_12: RND5NZYKSIGD · pith_short_16: RND5NZYKSIGD4KXR · pith_short_8: RND5NZYK

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/RND5NZYKSIGD4KXRUY42P5KPRV \
  | 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: 8b47d6e70a920c3e2af1a639a7f54f8d7a9d96d7b492047f3ed2db8e9b11887f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe6402ab2509a3797d4e2a84a999d25d147a4568058e8a12d198e70a27b712d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-17T18:07:49Z",
    "title_canon_sha256": "7a89f5ccedbb9e1e6f2b4798e4b396018a39d828a71a787a261bf07f4167d9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2748",
    "kind": "arxiv",
    "version": 1
  }
}