Pith Number

pith:5RYOSBTL

pith:2016:5RYOSBTLXOKHF6A3MWRH6UG65I

not attested not anchored not stored refs pending

Deep SDSS Optical Spectroscopy of Distant Halo Stars. III. Chemical analysis of extremely metal-poor stars

C. Allende Prieto, D. P. Schneider, E. Fernandez-Alvar, T. C. Beers, T. Masseron, Y. S. Lee

arxiv:1606.04811 v1 · 2016-06-15 · astro-ph.SR · 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{5RYOSBTLXOKHF6A3MWRH6UG65I}

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	2026-05-18T01:05:42.826908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec70e9066bbb9472f81b65a27f50deea075952efa9679a508fdb5e37a5f24cca

Aliases

arxiv: 1606.04811 · arxiv_version: 1606.04811v1 · doi: 10.48550/arxiv.1606.04811 · pith_short_12: 5RYOSBTLXOKH · pith_short_16: 5RYOSBTLXOKHF6A3 · pith_short_8: 5RYOSBTL

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/5RYOSBTLXOKHF6A3MWRH6UG65I \
  | 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: ec70e9066bbb9472f81b65a27f50deea075952efa9679a508fdb5e37a5f24cca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d4b4b94cba5aa7aeb57a141365ac3a608edc702e816d8b21ed84bb2dfa1443",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-15T15:17:06Z",
    "title_canon_sha256": "9194e7c834c2848e3e2f2eca8ffba7483060bcf406f9a4c9ad51b7c47593c5bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04811",
    "kind": "arxiv",
    "version": 1
  }
}