Pith Number

pith:BWAJIW4Q

pith:2009:BWAJIW4QFDWTFS5XP42KNRIFDY

not attested not anchored not stored refs pending

The SPLASH Survey: A Spectroscopic Portrait of Andromeda's Giant Southern Stream

Evan N. Kirby, Jason S. Kalirai, Karoline M. Gilbert, Marla C. Geha, Priya Kollipara, Puragra Guhathakurta, Rachael L. Beaton, Richard J. Patterson, Steven R. Majewski

arxiv:0909.4540 v1 · 2009-09-25 · 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{BWAJIW4QFDWTFS5XP42KNRIFDY}

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	2026-05-18T02:34:27.735982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d80945b9028ed32cbb77f34a6c5051e258d123325af077aee8545c23884a692

Aliases

arxiv: 0909.4540 · arxiv_version: 0909.4540v1 · doi: 10.48550/arxiv.0909.4540 · pith_short_12: BWAJIW4QFDWT · pith_short_16: BWAJIW4QFDWTFS5X · pith_short_8: BWAJIW4Q

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/BWAJIW4QFDWTFS5XP42KNRIFDY \
  | 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: 0d80945b9028ed32cbb77f34a6c5051e258d123325af077aee8545c23884a692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014b4d1196115211a480b52f684468b3d168ac8dc7e58beeb6762ddc39e2c47c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-25T04:30:58Z",
    "title_canon_sha256": "f2b3c864c57a9c44943466590bc4ec6700a45bce40a615e0c66c5c56ee627426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4540",
    "kind": "arxiv",
    "version": 1
  }
}