Pith Number

pith:XQN2GXRH

pith:2021:XQN2GXRHM3LD6WP3ULPFBCLC5G

not attested not anchored not stored refs pending

Further Evidence for an Increase of the Mean Mass of the Highest-Energy Cosmic-Rays with Energy

A A Watson

arxiv:2112.06525 v1 · 2021-12-13 · 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{XQN2GXRHM3LD6WP3ULPFBCLC5G}

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.

Cited by

1 paper in Pith

Measurement and Interpretation of UHECR Mass Composition at the Pierre Auger Observatory

Receipt and verification

First computed	2026-07-05T03:40:14.581223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1ba35e2766d63f59fba2de508962e99c4407e90fa69b589dce2d9aab977a8f

Aliases

arxiv: 2112.06525 · arxiv_version: 2112.06525v1 · doi: 10.48550/arxiv.2112.06525 · pith_short_12: XQN2GXRHM3LD · pith_short_16: XQN2GXRHM3LD6WP3 · pith_short_8: XQN2GXRH

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/XQN2GXRHM3LD6WP3ULPFBCLC5G \
  | 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: bc1ba35e2766d63f59fba2de508962e99c4407e90fa69b589dce2d9aab977a8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9c66edc16f8bf45452f46acf76889ae5eee929277ac7820765909c6877a223",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-12-13T09:56:31Z",
    "title_canon_sha256": "f9c9fd8e42b5a74dc6d3c22f8ecaed23ba3d1107953cbcf0eb3abe609877cc2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06525",
    "kind": "arxiv",
    "version": 1
  }
}