Pith Number

pith:WZQRNGCW

pith:2023:WZQRNGCWLXROIZR4BESWKPVK4Y

not attested not anchored not stored refs pending

Evidence of an age gradient along the line of sight in the nuclear stellar disc of the Milky Way

D. A. Gadotti, F. Najarro, F. Nogueras-Lara, M. C. Sormani, M. Schultheis, R. M. Rich

arxiv:2302.02890 v2 · 2023-02-06 · 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{WZQRNGCWLXROIZR4BESWKPVK4Y}

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	2026-07-05T05:51:00.965365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6611698565de2e4663c0925653eaae606883198ae6e09f60df1322ec361c9e2

Aliases

arxiv: 2302.02890 · arxiv_version: 2302.02890v2 · doi: 10.48550/arxiv.2302.02890 · pith_short_12: WZQRNGCWLXRO · pith_short_16: WZQRNGCWLXROIZR4 · pith_short_8: WZQRNGCW

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/WZQRNGCWLXROIZR4BESWKPVK4Y \
  | 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: b6611698565de2e4663c0925653eaae606883198ae6e09f60df1322ec361c9e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea4b239f68442495c2afb0c01ad7412089d7dad3da806c7f2fea5825d2bb3b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-06T15:55:43Z",
    "title_canon_sha256": "751a8db06afdb605c0c5da08e66e4ae67214eab8090ca440f2a5305a17376712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.02890",
    "kind": "arxiv",
    "version": 2
  }
}