Pith Number

pith:2KL4RXPH

pith:2018:2KL4RXPH5SRSGP42N5WPLB6DL2

not attested not anchored not stored refs pending

Time evolution of the X-ray and gamma-ray fluxes of the Crab pulsar

F. J. Lu, J. L. Qu, L. L. Yan, L. M. Song, M. Y. Ge, S. J. Zheng, Y. L. Tuo, Z. J. Li

arxiv:1808.04240 v1 · 2018-08-08 · astro-ph.HE · 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{2KL4RXPH5SRSGP42N5WPLB6DL2}

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	2026-05-18T00:03:45.631901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d297c8dde7eca3233f9a6f6cf587c35e967934d7bd374d62d1c0604b06e38b06

Aliases

arxiv: 1808.04240 · arxiv_version: 1808.04240v1 · doi: 10.48550/arxiv.1808.04240 · pith_short_12: 2KL4RXPH5SRS · pith_short_16: 2KL4RXPH5SRSGP42 · pith_short_8: 2KL4RXPH

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/2KL4RXPH5SRSGP42N5WPLB6DL2 \
  | 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: d297c8dde7eca3233f9a6f6cf587c35e967934d7bd374d62d1c0604b06e38b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f27f7fba332a129375c8173ea2b2b3af50c0d51a1df329920bcd086dae4c2b5",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-08T01:17:59Z",
    "title_canon_sha256": "be8ee765433a22216af7e905fea76e093bfe8466fb500f12e14839f00d8056e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04240",
    "kind": "arxiv",
    "version": 1
  }
}