Pith Number

pith:2AQU4XBC

pith:2023:2AQU4XBC3O4I43ISEJ44W5ACDB

not attested not anchored not stored refs pending

Metal-poor stars observed with the Magellan Telescope. IV. Neutron-capture element signatures in 27 main-sequence stars

Anna Frebel, Heather Jacobson, John E. Norris, Leyatt Betre, Mohammad K. Mardini, Norbert Christlieb

arxiv:2305.05363 v1 · 2023-05-09 · 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{2AQU4XBC3O4I43ISEJ44W5ACDB}

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	2026-07-05T06:08:33.793212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0214e5c22dbb88e6d122279cb7402187c06664ae77704a842b92faec1660862

Aliases

arxiv: 2305.05363 · arxiv_version: 2305.05363v1 · doi: 10.48550/arxiv.2305.05363 · pith_short_12: 2AQU4XBC3O4I · pith_short_16: 2AQU4XBC3O4I43IS · pith_short_8: 2AQU4XBC

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/2AQU4XBC3O4I43ISEJ44W5ACDB \
  | 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: d0214e5c22dbb88e6d122279cb7402187c06664ae77704a842b92faec1660862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "752e28b196d3ff70a37ba9d81df22be39f491ad2c56fa2e0f87ffa756906700f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-05-09T11:55:13Z",
    "title_canon_sha256": "d87926c6b43683419feee5116726b272cfd66e0f956ff410be05bfcac2ee0ca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.05363",
    "kind": "arxiv",
    "version": 1
  }
}