Pith Number

pith:OUBMIFIB

pith:2023:OUBMIFIB4IKQFVWLRHGZOU6SZY

not attested not anchored not stored refs pending

Detailed $\alpha$ abundance trends in the inner Galactic bulge

E. Spitoni, F. Matteucci, F. Renaud, G. Nandakumar, M. Schultheis, N. Nieuwmunster, N. Ryde, O. Agertz, P. S. Barklem, R. M. Rich

arxiv:2301.10271 v1 · 2023-01-24 · 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{OUBMIFIB4IKQFVWLRHGZOU6SZY}

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	2026-07-05T05:48:49.408308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7502c41501e21502d6cb89cd9753d2ce17bab0b3aca4ff3850b970d1053beeb8

Aliases

arxiv: 2301.10271 · arxiv_version: 2301.10271v1 · doi: 10.48550/arxiv.2301.10271 · pith_short_12: OUBMIFIB4IKQ · pith_short_16: OUBMIFIB4IKQFVWL · pith_short_8: OUBMIFIB

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/OUBMIFIB4IKQFVWLRHGZOU6SZY \
  | 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: 7502c41501e21502d6cb89cd9753d2ce17bab0b3aca4ff3850b970d1053beeb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfbd489ce1fd73ee44c69994379e75a748572bf39acb399011aab9ec6bda2cf8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-24T19:07:54Z",
    "title_canon_sha256": "255366d242b9e21fecbaa5aea77fb7f17d94abc57dd4a9a07e61fc01928a92da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.10271",
    "kind": "arxiv",
    "version": 1
  }
}