Pith Number

pith:VGNVIRMX

pith:2025:VGNVIRMXJDTYM25SBANVTD7ZNJ

not attested not anchored not stored refs pending

Impact of cosmic-ray propagation on the chemistry and ionisation fraction of dark clouds

A. Lupi, G. Latrille, G. Sabatini, M. Padovani, S. Bovino, T. Grassi

arxiv:2507.03832 v1 · 2025-07-04 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGNVIRMXJDTYM25SBANVTD7ZNJ}

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	2026-07-05T11:32:35.147610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a99b54459748e7866bb2081b598ff96a4811e4ba4281e49d69c25c9a16cedf35

Aliases

arxiv: 2507.03832 · arxiv_version: 2507.03832v1 · doi: 10.48550/arxiv.2507.03832 · pith_short_12: VGNVIRMXJDTY · pith_short_16: VGNVIRMXJDTYM25S · pith_short_8: VGNVIRMX

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/VGNVIRMXJDTYM25SBANVTD7ZNJ \
  | 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: a99b54459748e7866bb2081b598ff96a4811e4ba4281e49d69c25c9a16cedf35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fb83b5bf240c34c7792525ba8c84cb46c55760b99583d7927ec90ed0b1972ad",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-04T22:53:17Z",
    "title_canon_sha256": "2ca5c94ad1b5eb4668db2350794e16212939ad1481a82af8e5076c5b9fd81e18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03832",
    "kind": "arxiv",
    "version": 1
  }
}