Pith Number

pith:VIAT7MIM

pith:1998:VIAT7MIM4UKDEJCZPMZWSNX7TE

not attested not anchored not stored refs pending

Extremely high energy cosmic rays from relic particle decays

Michael Birkel, Subir Sarkar (Oxford)

arxiv:hep-ph/9804285 v2 · 1998-04-14 · hep-ph · astro-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{VIAT7MIM4UKDEJCZPMZWSNX7TE}

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	2026-05-18T04:28:37.560164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa013fb10ce5143224597b336936ff99354819fb43739afcdc8b213e4386c3c8

Aliases

arxiv: hep-ph/9804285 · arxiv_version: hep-ph/9804285v2 · doi: 10.48550/arxiv.hep-ph/9804285 · pith_short_12: VIAT7MIM4UKD · pith_short_16: VIAT7MIM4UKDEJCZ · pith_short_8: VIAT7MIM

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/VIAT7MIM4UKDEJCZPMZWSNX7TE \
  | 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: aa013fb10ce5143224597b336936ff99354819fb43739afcdc8b213e4386c3c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcb227266eab098510b2d51139f88612e6e8795c08ac4c2356de5b02d26c9cdd",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-04-14T15:48:09Z",
    "title_canon_sha256": "506f1222101467b6c63c498c8234f5ce4cb8ceedaa4d821b280c2c80e75a6705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9804285",
    "kind": "arxiv",
    "version": 2
  }
}