Pith Number

pith:QAHIVT2Q

pith:2019:QAHIVT2QIBNMZHV6PRWEQKVPT6

not attested not anchored not stored refs pending

The Efficiency of Coherent Radiation from Relativistic Shocks

Masahiro Hoshino, Masanori Iwamoto, Takanobu Amano, Yosuke Matsumoto

arxiv:1902.06271 v1 · 2019-02-17 · astro-ph.HE · physics.plasm-ph · physics.space-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{QAHIVT2QIBNMZHV6PRWEQKVPT6}

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	2026-05-17T23:53:46.017960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

800e8acf50405acc9ebe7c6c482aaf9fae4f5dee0a5564fe39f7eeb14f043141

Aliases

arxiv: 1902.06271 · arxiv_version: 1902.06271v1 · doi: 10.48550/arxiv.1902.06271 · pith_short_12: QAHIVT2QIBNM · pith_short_16: QAHIVT2QIBNMZHV6 · pith_short_8: QAHIVT2Q

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/QAHIVT2QIBNMZHV6PRWEQKVPT6 \
  | 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: 800e8acf50405acc9ebe7c6c482aaf9fae4f5dee0a5564fe39f7eeb14f043141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51a8d72e9e7229def4c5646d7ad9ac353e5c0c221489778cc5c7f21d2056a197",
    "cross_cats_sorted": [
      "physics.plasm-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-17T15:13:39Z",
    "title_canon_sha256": "721a04409a18f9d1dddfdbeef284f4eef8bfd63f51664a2ad9adb1a72e9408f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06271",
    "kind": "arxiv",
    "version": 1
  }
}