Pith Number

pith:PUJ4MDKL

pith:2023:PUJ4MDKLVIBVSA34BMMEUQ3UY2

not attested not anchored not stored refs pending

Ultra-High-Energy Gamma-Ray Astronomy

Ruizhi Yang, Ruoyu Liu, SongZhan CHEN, Zhen Cao

arxiv:2310.01744 v1 · 2023-10-03 · astro-ph.HE · 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{PUJ4MDKLVIBVSA34BMMEUQ3UY2}

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	2026-07-05T06:56:45.520731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d13c60d4baa0359037c0b184a4374c68c39d386df8e8dcbd70b1eb67468fced

Aliases

arxiv: 2310.01744 · arxiv_version: 2310.01744v1 · doi: 10.48550/arxiv.2310.01744 · pith_short_12: PUJ4MDKLVIBV · pith_short_16: PUJ4MDKLVIBVSA34 · pith_short_8: PUJ4MDKL

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/PUJ4MDKLVIBVSA34BMMEUQ3UY2 \
  | 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: 7d13c60d4baa0359037c0b184a4374c68c39d386df8e8dcbd70b1eb67468fced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f55a80cc8300fd2e4ad9fcc4d7a75ba0d4349ca657bcd30e50c56830a416cfa5",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-10-03T02:12:08Z",
    "title_canon_sha256": "9a6b23a922b5124fd186f28f7dd8b4ac15f016b7d1827d6e893a42fcc20618c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.01744",
    "kind": "arxiv",
    "version": 1
  }
}