Pith Number

pith:NUZSBJAU

pith:2012:NUZSBJAUEVN3UM2N2TVSCNAHJW

not attested not anchored not stored refs pending

Lithium abundances in extremely metal-poor turn-off stars

2), 2)((1) Landessternwarte Heidelberg, (2) GEPI, CNRS, E. Caffau (1, France), Germany, L. Sbordone (1, Observatoire de Paris, Paris, P. Bonifacio (2), Univ. Paris Diderot

arxiv:1206.7008 v1 · 2012-06-29 · 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{NUZSBJAUEVN3UM2N2TVSCNAHJW}

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	2026-05-18T03:52:13.247305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3320a414255bba334dd4eb2134074d80a84841363d1941352d7318b4b52410

Aliases

arxiv: 1206.7008 · arxiv_version: 1206.7008v1 · doi: 10.48550/arxiv.1206.7008 · pith_short_12: NUZSBJAUEVN3 · pith_short_16: NUZSBJAUEVN3UM2N · pith_short_8: NUZSBJAU

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/NUZSBJAUEVN3UM2N2TVSCNAHJW \
  | 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: 6d3320a414255bba334dd4eb2134074d80a84841363d1941352d7318b4b52410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5bd3e4d4c739ccd808eabe6af5b2677523922ea43269de50a5c5994ba710a8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-29T12:53:23Z",
    "title_canon_sha256": "1aad3b6690651139ffe757b5c743f217d9ed5522bf5cbaf7fd0ed1b804e78aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.7008",
    "kind": "arxiv",
    "version": 1
  }
}