Pith Number

pith:G4TPZMML

pith:2011:G4TPZMMLRVIYWQX4PBLDGLTNXV

not attested not anchored not stored refs pending

Enhancing the Relative Fe-to-Proton Abundance in Ultra-High-Energy Cosmic Rays

Carl Blaksley, Etienne Parizot

arxiv:1111.1607 v1 · 2011-11-07 · 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{G4TPZMMLRVIYWQX4PBLDGLTNXV}

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	2026-05-18T04:09:25.705236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3726fcb18b8d518b42fc7856332e6dbd733324f5b124d2b046a042f00ae8c848

Aliases

arxiv: 1111.1607 · arxiv_version: 1111.1607v1 · doi: 10.48550/arxiv.1111.1607 · pith_short_12: G4TPZMMLRVIY · pith_short_16: G4TPZMMLRVIYWQX4 · pith_short_8: G4TPZMML

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/G4TPZMMLRVIYWQX4PBLDGLTNXV \
  | 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: 3726fcb18b8d518b42fc7856332e6dbd733324f5b124d2b046a042f00ae8c848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7424629b76259a89a16cc9698f9f8c0a642e1f91b2bea00a8511e1ede9ff36ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-07T15:04:42Z",
    "title_canon_sha256": "43961c4f0f3fa1f477248f7c9b1552f1fa234df9cb15e6776ffc3a6c7acdf2c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1607",
    "kind": "arxiv",
    "version": 1
  }
}