Pith Number

pith:YPUR5PX4

pith:2011:YPUR5PX4PSZLQFMMV3YYFGPYEY

not attested not anchored not stored refs pending

Molecular Clouds as Cosmic Ray Laboratories

Akiko Kawamura, David I. Jones, Felix A. Aharonian, Francesca Volpe, Gavin Rowell, Hidetoshi Sano, Hiroaki Yamamoto, Kazufumi Torii, Sabrina Casanova, Stefano Gabici, Toshikazu Onishi, Yasuo Fukui

arxiv:1104.1109 v1 · 2011-04-06 · astro-ph.HE · 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{YPUR5PX4PSZLQFMMV3YYFGPYEY}

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	2026-05-18T04:24:53.604868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e91ebefc7cb2b8158caef18299f82617a737be0503db4ffff9b9bde9196683

Aliases

arxiv: 1104.1109 · arxiv_version: 1104.1109v1 · doi: 10.48550/arxiv.1104.1109 · pith_short_12: YPUR5PX4PSZL · pith_short_16: YPUR5PX4PSZLQFMM · pith_short_8: YPUR5PX4

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/YPUR5PX4PSZLQFMMV3YYFGPYEY \
  | 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: c3e91ebefc7cb2b8158caef18299f82617a737be0503db4ffff9b9bde9196683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7174036c252c9e0a471810e5877a5ccfc64f5ddb8b4bac2524c7832810f67378",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-04-06T14:20:07Z",
    "title_canon_sha256": "a8794c1a0772069d9706010c58b14cc6dffaf7dff8fbf90e1994dfe56f45950c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1109",
    "kind": "arxiv",
    "version": 1
  }
}