Pith Number

pith:GFHYMLB2

pith:2019:GFHYMLB2JJ47MCB73ISKIYQ6UU

not attested not anchored not stored refs pending

A Genetic Algorithm for Astroparticle Physics Studies

Hong-Hao Zhang, Jie Feng, Xiao-Lin Luo

arxiv:1907.01090 v1 · 2019-07-01 · astro-ph.HE · astro-ph.IM · hep-ex · 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{GFHYMLB2JJ47MCB73ISKIYQ6UU}

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	2026-07-05T00:45:32.732202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314f862c3a4a79f6083fda24a4621ea537c7493665fabb1dd5b88bd9a6556be3

Aliases

arxiv: 1907.01090 · arxiv_version: 1907.01090v1 · doi: 10.48550/arxiv.1907.01090 · pith_short_12: GFHYMLB2JJ47 · pith_short_16: GFHYMLB2JJ47MCB7 · pith_short_8: GFHYMLB2

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/GFHYMLB2JJ47MCB73ISKIYQ6UU \
  | 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: 314f862c3a4a79f6083fda24a4621ea537c7493665fabb1dd5b88bd9a6556be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab38bb1c31938fdbf888ee41ca493962ce1fb4fedecf0e157ff0eb81931e99d4",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "hep-ex",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-01T22:26:49Z",
    "title_canon_sha256": "1f43ae82d2f9c24952d44d835d3e735c093dc4f3dd70d66c20312c43349199aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01090",
    "kind": "arxiv",
    "version": 1
  }
}