Pith Number

pith:HBG7V6I3

pith:2017:HBG7V6I3EKPLVUUBMQH7CY4TNI

not attested not anchored not stored refs pending

Nonlinear QED effects in X-ray emission of pulsars

Mansour Haghighat, She-Sheng Xue, Soroush Shakeri

arxiv:1704.04750 v2 · 2017-04-16 · 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{HBG7V6I3EKPLVUUBMQH7CY4TNI}

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	2026-05-18T00:32:50.874835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384dfaf91b229ebad281640ff163936a22c9b1d0a069c4e09dfeb9a513bd43a1

Aliases

arxiv: 1704.04750 · arxiv_version: 1704.04750v2 · doi: 10.48550/arxiv.1704.04750 · pith_short_12: HBG7V6I3EKPL · pith_short_16: HBG7V6I3EKPLVUUB · pith_short_8: HBG7V6I3

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/HBG7V6I3EKPLVUUBMQH7CY4TNI \
  | 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: 384dfaf91b229ebad281640ff163936a22c9b1d0a069c4e09dfeb9a513bd43a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dfc9a30101c936e825ddf99b56081b74a932143bede019cf0a63a7237b7dc4d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-16T11:16:31Z",
    "title_canon_sha256": "4191bd70e94723d90bdd7e8fd9c4a6c79974b0d4fd30fa261b57374f336c505c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04750",
    "kind": "arxiv",
    "version": 2
  }
}