Pith Number

pith:FBKV34CR

pith:2025:FBKV34CRTEY2RQEGEMO4JCDNGV

not attested not anchored not stored refs pending

s-process Enriched Post-AGB Star J003643.94-723722.1 in the SMC with an Extreme C/O Ratio and the First Precise Detection of Lead

Amanda Karakas, Anish M. Amarsi, Devika Kamath, Diego Vescovi, Hans Van Winckel, Maksym Mohorian, Meghna Menon, Paolo Ventura, Sergio Cristallo

arxiv:2509.05015 v1 · 2025-09-05 · 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{FBKV34CRTEY2RQEGEMO4JCDNGV}

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	2026-07-05T12:05:34.466481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28555df0519931a8c086231dc4886d354d0307c90b53481d580856c21173b671

Aliases

arxiv: 2509.05015 · arxiv_version: 2509.05015v1 · doi: 10.48550/arxiv.2509.05015 · pith_short_12: FBKV34CRTEY2 · pith_short_16: FBKV34CRTEY2RQEG · pith_short_8: FBKV34CR

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/FBKV34CRTEY2RQEGEMO4JCDNGV \
  | 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: 28555df0519931a8c086231dc4886d354d0307c90b53481d580856c21173b671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "015c948a85c1b55a3155218e72c9c5aff57932206f4f68546557f9d70f349a56",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-09-05T11:25:07Z",
    "title_canon_sha256": "fc6c04b8f2e68f546a979b328e7c8c85d3f7d35beb8fa4abbec9cc7720a5f1dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05015",
    "kind": "arxiv",
    "version": 1
  }
}