Pith Number

pith:2OJQK3PB

pith:1997:2OJQK3PBFZFLB3ENVQU5MYZAYN

not attested not anchored not stored refs pending

Ultra-high energy cosmic rays without GZK cutoff

A.Vilenkin, M. Kachelriess, V. Berezinsky

arxiv:astro-ph/9708217 v1 · 1997-08-23 · astro-ph · 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{2OJQK3PBFZFLB3ENVQU5MYZAYN}

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

Searching for EeV photons with Telescope Array Surface Detector and neural networks

Receipt and verification

First computed	2026-05-18T04:34:29.106720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d393056de12e4ab0ec8dac29d66320c373f2bc16d2c8c002f7613a9823288b84

Aliases

arxiv: astro-ph/9708217 · arxiv_version: astro-ph/9708217v1 · doi: 10.48550/arxiv.astro-ph/9708217 · pith_short_12: 2OJQK3PBFZFL · pith_short_16: 2OJQK3PBFZFLB3EN · pith_short_8: 2OJQK3PB

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/2OJQK3PBFZFLB3ENVQU5MYZAYN \
  | 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: d393056de12e4ab0ec8dac29d66320c373f2bc16d2c8c002f7613a9823288b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "addc32ab34ad6117e5357d081c14d61ce64c57f7beae37b807e380ed40d728c5",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-23T14:19:06Z",
    "title_canon_sha256": "b7ea1fa3019f9f9b579b60a26750ba1fd04318e5a189124948f77857f38aa0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708217",
    "kind": "arxiv",
    "version": 1
  }
}