Pith Number

pith:N2Z2U4IY

pith:2011:N2Z2U4IYTQ4FIK5K2DIMJUB46W

not attested not anchored not stored refs pending

On ultra-high energy cosmic rays: origin in AGN jets and transport in expanding Universe

S.I.Rogovaya, V.N.Zirakashvili, V.S.Ptuskin

arxiv:1105.4491 v1 · 2011-05-23 · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2Z2U4IYTQ4FIK5K2DIMJUB46W}

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	2026-05-18T02:01:52.628606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eb3aa71189c38542baad0d0c4d03cf5a8664dcd5c722fc39572115adb6e63e5

Aliases

arxiv: 1105.4491 · arxiv_version: 1105.4491v1 · doi: 10.48550/arxiv.1105.4491 · pith_short_12: N2Z2U4IYTQ4F · pith_short_16: N2Z2U4IYTQ4FIK5K · pith_short_8: N2Z2U4IY

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/N2Z2U4IYTQ4FIK5K2DIMJUB46W \
  | 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: 6eb3aa71189c38542baad0d0c4d03cf5a8664dcd5c722fc39572115adb6e63e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a16d342c9aff070befcf115c54b29e6e41debaaf683b7ca93eba455633a8cf3c",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-23T13:15:13Z",
    "title_canon_sha256": "2de19df0fc78e95ce5f67c1afd3161fedb28d5241e7f12fe7130069d447cfee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4491",
    "kind": "arxiv",
    "version": 1
  }
}