Pith Number

pith:4XOXG4A3

pith:2004:4XOXG4A3QBZZZEUHSRQBMOCMC3

not attested not anchored not stored refs pending

A search for late-type supergiants in the inner regions of the Milky Way

(2) Barcelona University, (3) Osservatorio Astronomico di Trieste, (4) ESO - Chile), C. Chiappini (3), F. Comeron (1), F. Figueras (2), J. Torra (2), S. J. Ribas (2) ((1) ESO - Garching, V. D. Ivanov (4)

arxiv:astro-ph/0409510 v1 · 2004-09-21 · 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{4XOXG4A3QBZZZEUHSRQBMOCMC3}

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	2026-07-04T16:44:44.057342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5dd73701b80739c9287946016384c16fa00367b69366535ffaca5cd71fd662a

Aliases

arxiv: astro-ph/0409510 · arxiv_version: astro-ph/0409510v1 · doi: 10.48550/arxiv.astro-ph/0409510 · pith_short_12: 4XOXG4A3QBZZ · pith_short_16: 4XOXG4A3QBZZZEUH · pith_short_8: 4XOXG4A3

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/4XOXG4A3QBZZZEUHSRQBMOCMC3 \
  | 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: e5dd73701b80739c9287946016384c16fa00367b69366535ffaca5cd71fd662a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd86fd433a3d769ce895f3715f953ac6ec3e6080048b4199f11a6a4dda4c7eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-21T16:42:03Z",
    "title_canon_sha256": "3f7e8d3c11c4ca940d025ec614a29c72aa77248af15d9e387fb867a695433e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409510",
    "kind": "arxiv",
    "version": 1
  }
}