Pith Number

pith:SEHEZ2SD

pith:2025:SEHEZ2SD3WKP5Z6IXIRFU7AZSV

not attested not anchored not stored refs pending

Europium, we have a problem. Modelling r-process enrichment across Local Group galaxies

Alessio Mucciarelli, Donatella Romano, Marco Palla, Marta Molero

arxiv:2506.04066 v1 · 2025-06-04 · 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{SEHEZ2SD3WKP5Z6IXIRFU7AZSV}

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	2026-07-05T11:33:52.107543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910e4cea43dd94fee7c8ba225a7c199562165e5f25dfb4095c205ade3518e508

Aliases

arxiv: 2506.04066 · arxiv_version: 2506.04066v1 · doi: 10.48550/arxiv.2506.04066 · pith_short_12: SEHEZ2SD3WKP · pith_short_16: SEHEZ2SD3WKP5Z6I · pith_short_8: SEHEZ2SD

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/SEHEZ2SD3WKP5Z6IXIRFU7AZSV \
  | 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: 910e4cea43dd94fee7c8ba225a7c199562165e5f25dfb4095c205ade3518e508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "809dd438571222b20d2c4c1602b314072e2c3a570a29667b4d02cc2553ec8c47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-04T15:32:16Z",
    "title_canon_sha256": "96e84566da6e1bfca037b1f21c599090eebe88dd1e5da32cb479c9ebb595cac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04066",
    "kind": "arxiv",
    "version": 1
  }
}