Pith Number

pith:EUGF7Z4Y

pith:2010:EUGF7Z4Y2SH5JXHDDJ6F7HPXSP

not attested not anchored not stored refs pending

Characterizing the Chemistry of the Milky Way Stellar Halo: Detailed Chemical Analysis of a Metal-Poor Stellar Stream

Christopher Sneden, George W. Preston, Ian B. Thompson, Ian U. Roederer, Stephen A. Shectman

arxiv:1001.1745 v2 · 2010-01-11 · astro-ph.GA · 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{EUGF7Z4Y2SH5JXHDDJ6F7HPXSP}

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	2026-05-18T02:10:02.846195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

250c5fe798d48fd4dce31a7c5f9df793cea6d816eb2b6ba89136acbb7f7ff96a

Aliases

arxiv: 1001.1745 · arxiv_version: 1001.1745v2 · doi: 10.48550/arxiv.1001.1745 · pith_short_12: EUGF7Z4Y2SH5 · pith_short_16: EUGF7Z4Y2SH5JXHD · pith_short_8: EUGF7Z4Y

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/EUGF7Z4Y2SH5JXHDDJ6F7HPXSP \
  | 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: 250c5fe798d48fd4dce31a7c5f9df793cea6d816eb2b6ba89136acbb7f7ff96a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271e20788c0a51ace9ed54eb49faa86b19abf534eea86da8b37745b1327d06d9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-11T21:37:10Z",
    "title_canon_sha256": "6f554772dbf13daba85942f5c2ada48ec0cd105e2cd83636ac623aa3f942c17d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1745",
    "kind": "arxiv",
    "version": 2
  }
}