Pith Number

pith:CDHI375U

pith:2017:CDHI375UDGHTG4MEQLSAQJSWHX

not attested not anchored not stored refs pending

Scattering of massless fermions by Schwarzschild and Reissner-Nordstr\"om black holes

Ciprian A. Sporea

arxiv:1707.08374 v2 · 2017-07-26 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDHI375UDGHTG4MEQLSAQJSWHX}

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	2026-05-18T00:34:12.855306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10ce8dffb4198f33718482e40826563df521131d59c32106895f9985cfacc74a

Aliases

arxiv: 1707.08374 · arxiv_version: 1707.08374v2 · doi: 10.48550/arxiv.1707.08374 · pith_short_12: CDHI375UDGHT · pith_short_16: CDHI375UDGHTG4ME · pith_short_8: CDHI375U

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/CDHI375UDGHTG4MEQLSAQJSWHX \
  | 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: 10ce8dffb4198f33718482e40826563df521131d59c32106895f9985cfacc74a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e244c09bd4765056dd34ddf9467e585b8c29458e4f56f5e49f90d3fc861a531f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-26T11:06:19Z",
    "title_canon_sha256": "2624c11ffb4085880bf4c1b6bc20918e93132f9dbbf7f43423a7d7f01269e6d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08374",
    "kind": "arxiv",
    "version": 2
  }
}