Pith Number

pith:PX7ASTD5

pith:2014:PX7ASTD5LZ3QM57K54EPVMUEON

not attested not anchored not stored refs pending

A self-consistent interpretation of the GeV-TeV emission from a distant blazar PKS 1424+240

Dahai Yan, Li Zhang, Oleg Kalashev, Shuang-Nan Zhang

arxiv:1412.4894 v2 · 2014-12-16 · 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{PX7ASTD5LZ3QM57K54EPVMUEON}

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	2026-05-18T01:41:18.913873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dfe094c7d5e770677eaef08fab284735fc47141054d518a23a858267c3cf196

Aliases

arxiv: 1412.4894 · arxiv_version: 1412.4894v2 · doi: 10.48550/arxiv.1412.4894 · pith_short_12: PX7ASTD5LZ3Q · pith_short_16: PX7ASTD5LZ3QM57K · pith_short_8: PX7ASTD5

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/PX7ASTD5LZ3QM57K54EPVMUEON \
  | 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: 7dfe094c7d5e770677eaef08fab284735fc47141054d518a23a858267c3cf196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ba2d80c4c519dc04331eff2b98e5c8cf3c2a339efd06186e43bfe83f8b9330",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-12-16T06:54:52Z",
    "title_canon_sha256": "800dd831571d0c398b79bfea68cced355c4389aa545fc20b160c9f2f20756e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4894",
    "kind": "arxiv",
    "version": 2
  }
}