Pith Number

pith:YP6WX4KS

pith:2018:YP6WX4KSI7APHNKWH2CGO4TUXI

not attested not anchored not stored refs pending

On the progressive hardening of the cosmic-ray proton spectrum in the inner Galaxy

Christoph Weniger, Daniele Gaggero, Emma Storm, Mart Pothast

arxiv:1807.04554 v1 · 2018-07-12 · 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{YP6WX4KSI7APHNKWH2CGO4TUXI}

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	2026-05-18T00:01:58.630085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3fd6bf15247c0f3b5563e84677274ba048db1876b95650a0b691cad3bac88e8

Aliases

arxiv: 1807.04554 · arxiv_version: 1807.04554v1 · doi: 10.48550/arxiv.1807.04554 · pith_short_12: YP6WX4KSI7AP · pith_short_16: YP6WX4KSI7APHNKW · pith_short_8: YP6WX4KS

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/YP6WX4KSI7APHNKWH2CGO4TUXI \
  | 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: c3fd6bf15247c0f3b5563e84677274ba048db1876b95650a0b691cad3bac88e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8f07b9d710449edd0a1feb05ba679a006043090c4fd6b335abe01e9e85401ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-12T11:50:47Z",
    "title_canon_sha256": "b383c45a80b4a5679f48812318eb13e6dfb273f04a17df922f6370e0c1e46e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04554",
    "kind": "arxiv",
    "version": 1
  }
}