Pith Number

pith:W3GBQFMN

pith:2025:W3GBQFMNWHW54CKP46R6YWH3AM

not attested not anchored not stored refs pending

Revisiting inelastic Cu+H collisions and the non-LTE Galactic evolution of copper

A. M. Amarsi, I. Koutsouridou, K. Lind, M. Racca, P. S. Barklem, S. Caliskan, S. Salvadori

arxiv:2503.22566 v2 · 2025-03-28 · astro-ph.SR · astro-ph.GA · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3GBQFMNWHW54CKP46R6YWH3AM}

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	2026-07-05T10:55:33.427945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6cc18158db1edde094fe7a3ec58fb032638d313b75dc9203c66c9f51cc99edb

Aliases

arxiv: 2503.22566 · arxiv_version: 2503.22566v2 · doi: 10.48550/arxiv.2503.22566 · pith_short_12: W3GBQFMNWHW5 · pith_short_16: W3GBQFMNWHW54CKP · pith_short_8: W3GBQFMN

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/W3GBQFMNWHW54CKP46R6YWH3AM \
  | 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: b6cc18158db1edde094fe7a3ec58fb032638d313b75dc9203c66c9f51cc99edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "832150db4efa386b65b069df1253c0c599e175681afe5c47334661a0044fe160",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-03-28T16:10:00Z",
    "title_canon_sha256": "0c73ccdd30940645e2d788ad0d97a4fe1d8a56114132b5159393b158f884bc35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22566",
    "kind": "arxiv",
    "version": 2
  }
}