Pith Number

pith:3WTJCNOK

pith:2019:3WTJCNOKNS6R5BM3DVBNQ4COMF

not attested not anchored not stored refs pending

Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs

Arjen van Vliet, J\"org R. H\"orandel, Rafael Alves Batista

arxiv:1909.01932 v1 · 2019-09-04 · 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{3WTJCNOKNS6R5BM3DVBNQ4COMF}

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	2026-07-05T00:02:21.846019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda69135ca6cbd1e859b1d42d8704e614646eb181b14bf5fef83d20e266905bc

Aliases

arxiv: 1909.01932 · arxiv_version: 1909.01932v1 · doi: 10.48550/arxiv.1909.01932 · pith_short_12: 3WTJCNOKNS6R · pith_short_16: 3WTJCNOKNS6R5BM3 · pith_short_8: 3WTJCNOK

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/3WTJCNOKNS6R5BM3DVBNQ4COMF \
  | 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: dda69135ca6cbd1e859b1d42d8704e614646eb181b14bf5fef83d20e266905bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd73bba1b8ff1c009fa4c78d62c7f2686452e27b567b52a2a8bae4ba84e1843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-04T16:41:19Z",
    "title_canon_sha256": "1d94036e43d6fa6ab43942ba5bd147b0294324d703c531d0714ca1991e719522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01932",
    "kind": "arxiv",
    "version": 1
  }
}