pith. sign in
Pith Number

pith:NLU5FUI2

pith:2015:NLU5FUI2GHBO22EQGPTJFZ2N25
not attested not anchored not stored refs pending

Indications of Negative Evolution for the Sources of the Highest Energy Cosmic Rays

Andrew M. Taylor, Dan Hooper, Markus Ahlers

arxiv:1505.06090 v2 · 2015-05-22 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NLU5FUI2GHBO22EQGPTJFZ2N25}

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 2026-05-18T01:32:29.399156Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ae9d2d11a31c2ed689033e692e74dd7571f1f201088fa639dab17032535f37f

Aliases

arxiv: 1505.06090 · arxiv_version: 1505.06090v2 · doi: 10.48550/arxiv.1505.06090 · pith_short_12: NLU5FUI2GHBO · pith_short_16: NLU5FUI2GHBO22EQ · pith_short_8: NLU5FUI2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NLU5FUI2GHBO22EQGPTJFZ2N25 \
  | 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: 6ae9d2d11a31c2ed689033e692e74dd7571f1f201088fa639dab17032535f37f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "01f317ab4ee4ca9ace49af5da3baecb889f1c589da40ce20b81ac400e67f25df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-05-22T14:15:39Z",
    "title_canon_sha256": "ba8404403125c5269ef90835db6341810c11339dd758499d74fcc9d21ffbbcec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06090",
    "kind": "arxiv",
    "version": 2
  }
}