Pith Number

pith:JEV4ME6O

pith:2018:JEV4ME6OGI2VA75GG43KSRZM3N

not attested not anchored not stored refs pending

Electron-Positron pairs creation close to a black hole horizon. Red-shifted annihilation line in the emergent X-ray spectra of a black hole, part I

Ferrara, France), Italy), Laboratoire APC, Lev Titarchuk (Dipartimento di Fisica, Philippe Laurent (CEA/DRF/IRFU/DAp, Universit\`a di Ferrara

arxiv:1804.08146 v1 · 2018-04-22 · 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{JEV4ME6OGI2VA75GG43KSRZM3N}

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	2026-05-18T00:13:26.088608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492bc613ce3235507fa63736a9472cdb63324bf72f32d59f43e8ddd4ce95f96a

Aliases

arxiv: 1804.08146 · arxiv_version: 1804.08146v1 · doi: 10.48550/arxiv.1804.08146 · pith_short_12: JEV4ME6OGI2V · pith_short_16: JEV4ME6OGI2VA75G · pith_short_8: JEV4ME6O

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/JEV4ME6OGI2VA75GG43KSRZM3N \
  | 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: 492bc613ce3235507fa63736a9472cdb63324bf72f32d59f43e8ddd4ce95f96a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f47c33c694b5cb12dc49923b906f7f10d9c94d742a861d318a14fd488f3bbf90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-22T17:50:05Z",
    "title_canon_sha256": "51648162f5ca525ba1d962ab12db5a06b98dfb0838940d3a97238932ca5e7c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08146",
    "kind": "arxiv",
    "version": 1
  }
}