Pith Number

pith:DYHF7CJR

pith:1997:DYHF7CJRV4LECF2GSFJRYI6MHZ

not attested not anchored not stored refs pending

Lithium in very metal poor thick disk stars

L. Pasquini, P. Bonifacio, P. Molaro

arxiv:astro-ph/9709242 v1 · 1997-09-25 · 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{DYHF7CJRV4LECF2GSFJRYI6MHZ}

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	2026-05-18T01:22:58.611142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0e5f8931af1641174691531c23cc3e6b1daa7cf198427fcf2a2db46d617b7e

Aliases

arxiv: astro-ph/9709242 · arxiv_version: astro-ph/9709242v1 · doi: 10.48550/arxiv.astro-ph/9709242 · pith_short_12: DYHF7CJRV4LE · pith_short_16: DYHF7CJRV4LECF2G · pith_short_8: DYHF7CJR

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/DYHF7CJRV4LECF2GSFJRYI6MHZ \
  | 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: 1e0e5f8931af1641174691531c23cc3e6b1daa7cf198427fcf2a2db46d617b7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b007ca7d8f28c4126eb7b4b0abf40b140a8596bf2ee7308fd88d7b1489cc4c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-25T09:49:18Z",
    "title_canon_sha256": "aef64ac3641108581d5e09a2263ad980302fdee322c40dd2a357eeb75bde8c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709242",
    "kind": "arxiv",
    "version": 1
  }
}