Pith Number

pith:XXCBPZYT

pith:2009:XXCBPZYTUVTORF3KOGKSZNFIYP

not attested not anchored not stored refs pending

Bright Ultraviolet Regions and Star Formation Characteristics in Nearby Dwarf Galaxies

(2) IBM research), Bruce G. Elmegreen (2), Deidre A. Hunter (1), Lea Zernow (1) ((1) Lowell Observatory, Nicholas W. Melena (1)

arxiv:0908.2837 v1 · 2009-08-20 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXCBPZYTUVTORF3KOGKSZNFIYP}

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	2026-05-18T02:12:24.908170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdc417e713a566e8976a71952cb4a8c3c56176cd6198fa948be84997d5dabdd5

Aliases

arxiv: 0908.2837 · arxiv_version: 0908.2837v1 · doi: 10.48550/arxiv.0908.2837 · pith_short_12: XXCBPZYTUVTO · pith_short_16: XXCBPZYTUVTORF3K · pith_short_8: XXCBPZYT

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/XXCBPZYTUVTORF3KOGKSZNFIYP \
  | 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: bdc417e713a566e8976a71952cb4a8c3c56176cd6198fa948be84997d5dabdd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a2d52704785a7aa35b397e5ec7803c7ce2aa18c9ad7efa6936a7650d2d26ed9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-20T00:21:06Z",
    "title_canon_sha256": "eba810996d08e12099e7d353195b619b7c4227df31cd655055f54ae6836db07e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2837",
    "kind": "arxiv",
    "version": 1
  }
}