Pith Number

pith:NJJH53IQ

pith:2000:NJJH53IQY6NJCXRXDOFB5GRQQM

not attested not anchored not stored refs pending

Chemical abundances in the inner 5 kpc of the Galactic disk

D. J. Lennon, F.P. Keenan, K. A. Venn, P. L. Dufton, S. J. Smartt, W. R. J. Rolleston

arxiv:astro-ph/0009157 v1 · 2000-09-11 · 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{NJJH53IQY6NJCXRXDOFB5GRQQM}

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	2026-07-04T16:17:08.245511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a527eed10c79a915e371b8a1e9a3083171d6cda3ace7e9f1f22be89a77a1732

Aliases

arxiv: astro-ph/0009157 · arxiv_version: astro-ph/0009157v1 · doi: 10.48550/arxiv.astro-ph/0009157 · pith_short_12: NJJH53IQY6NJ · pith_short_16: NJJH53IQY6NJCXRX · pith_short_8: NJJH53IQ

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/NJJH53IQY6NJCXRXDOFB5GRQQM \
  | 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: 6a527eed10c79a915e371b8a1e9a3083171d6cda3ace7e9f1f22be89a77a1732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b05e55da532d375fc26d9712908408eb15dffb447375c07aea80979ed05b75",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-11T13:06:41Z",
    "title_canon_sha256": "ab0875ddac236a84655fe0b6389b792aba9897bd3a76c6c8d2f14b137a7a0146"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009157",
    "kind": "arxiv",
    "version": 1
  }
}