Pith Number

pith:OKKVJWE7

pith:2016:OKKVJWE76PWF2UJ34FEN5GHSFW

not attested not anchored not stored refs pending

Ultrahigh Energy Cosmic Rays and Black Hole Mergers

Joseph Silk, Kumiko Kotera

arxiv:1602.06961 v2 · 2016-02-22 · 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{OKKVJWE76PWF2UJ34FEN5GHSFW}

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

2 papers in Pith

POEMMA (Probe of Extreme Multi-Messenger Astrophysics) design

Collision of ultra-relativistic proton with strong magnetic field: production of ultra-high energy photons and neutrinos

Receipt and verification

First computed	2026-05-18T01:13:15.198730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

729554d89ff3ec5d513be148de98f22dbb11fd0f840e6ea22f71aa4e96b1259e

Aliases

arxiv: 1602.06961 · arxiv_version: 1602.06961v2 · doi: 10.48550/arxiv.1602.06961 · pith_short_12: OKKVJWE76PWF · pith_short_16: OKKVJWE76PWF2UJ3 · pith_short_8: OKKVJWE7

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/OKKVJWE76PWF2UJ34FEN5GHSFW \
  | 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: 729554d89ff3ec5d513be148de98f22dbb11fd0f840e6ea22f71aa4e96b1259e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a20ef9acce9c5c9d4e6b08501e8743cbb4cbaeb4c974522fa130ec785bc54c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-02-22T21:02:45Z",
    "title_canon_sha256": "de1a7428a40436dc239d2326e0b46c29c116d4e55c5d9c874b2ba431d19787c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06961",
    "kind": "arxiv",
    "version": 2
  }
}