Pith Number

pith:LNQMD5B2

pith:2009:LNQMD5B2Y33QJKW26PSK4YE6MS

not attested not anchored not stored refs pending

Metallicity of low-mass stars in Orion

2), 2 INAF Osservatorio Astrofisico di Arcetri, 3 INAF Osservatorio Astronomico di Palermo), E. Flaccomio (3), F. Palla (2), G.G. Sacco (3), R. Pallavicini (3) (1 Dipartimento di Astronomia e Scienza dello Spazio, S. Randich (2), Universita' di Firenze, V. D'Orazi (1

arxiv:0905.1840 v1 · 2009-05-12 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNQMD5B2Y33QJKW26PSK4YE6MS}

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	2026-05-18T02:13:45.482832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b60c1f43ac6f704aadaf3e4ae609e6492e02dfb55011845d214b4c7251aca55

Aliases

arxiv: 0905.1840 · arxiv_version: 0905.1840v1 · doi: 10.48550/arxiv.0905.1840 · pith_short_12: LNQMD5B2Y33Q · pith_short_16: LNQMD5B2Y33QJKW2 · pith_short_8: LNQMD5B2

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/LNQMD5B2Y33QJKW26PSK4YE6MS \
  | 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: 5b60c1f43ac6f704aadaf3e4ae609e6492e02dfb55011845d214b4c7251aca55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4c54e2cd288485f2610a55a91ce575ad0f58be4f6179054756c488e0d0cec9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-12T14:20:17Z",
    "title_canon_sha256": "93eda5da8242bc2826266bb59c14afffa45131be2237db8011933bc8acae55e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1840",
    "kind": "arxiv",
    "version": 1
  }
}