Pith Number

pith:XBNQ7PHJ

pith:2025:XBNQ7PHJT2BEMRVGVZ3HZJW2EL

not attested not anchored not stored refs pending

Chemical Abundances in the Milky Way's Nuclear Stellar Disc

A. Rojas-Arriagada, G. Nandakumar, M. Schultheis, M. Zoccali, N. Ryde, R. Albarracin

arxiv:2505.15924 v1 · 2025-05-21 · 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{XBNQ7PHJT2BEMRVGVZ3HZJW2EL}

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	2026-07-05T11:33:51.508276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85b0fbce99e824646a6ae767ca6da22ebef077071c8bf7cdc0d4140cabad273

Aliases

arxiv: 2505.15924 · arxiv_version: 2505.15924v1 · doi: 10.48550/arxiv.2505.15924 · pith_short_12: XBNQ7PHJT2BE · pith_short_16: XBNQ7PHJT2BEMRVG · pith_short_8: XBNQ7PHJ

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/XBNQ7PHJT2BEMRVGVZ3HZJW2EL \
  | 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: b85b0fbce99e824646a6ae767ca6da22ebef077071c8bf7cdc0d4140cabad273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c91a8e4bc58829ffacf5e7d3442cc29469080b35441bfa63c769e7aa415dff",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-21T18:24:30Z",
    "title_canon_sha256": "805e8d818458f535bb77932ab1aa6c70bae9ee3e0572d2911f52aab698028675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.15924",
    "kind": "arxiv",
    "version": 1
  }
}