Pith Number

pith:54KPYYSJ

pith:2015:54KPYYSJYXZUXB7N65BTBXWKST

not attested not anchored not stored refs pending

Blazar Variability and Evolution in the GeV Regime

J. Kushida, K. Kodani, K. Nishijima, S. Tsujimoto

arxiv:1502.03015 v1 · 2015-02-10 · 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{54KPYYSJYXZUXB7N65BTBXWKST}

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	2026-05-18T02:27:30.021930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef14fc6249c5f34b87edf74330deca94ef4068db9d78dc6193a677908ae3b918

Aliases

arxiv: 1502.03015 · arxiv_version: 1502.03015v1 · doi: 10.48550/arxiv.1502.03015 · pith_short_12: 54KPYYSJYXZU · pith_short_16: 54KPYYSJYXZUXB7N · pith_short_8: 54KPYYSJ

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/54KPYYSJYXZUXB7N65BTBXWKST \
  | 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: ef14fc6249c5f34b87edf74330deca94ef4068db9d78dc6193a677908ae3b918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bbec895bcb8474a7a5da75534eca3696edc1951d0d45d7a55774864fb634138",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-10T17:46:56Z",
    "title_canon_sha256": "d7efa141e3fb376bd31c9731b6ca2d8cc5196d7de4c84fd479559542a31f09f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03015",
    "kind": "arxiv",
    "version": 1
  }
}