Pith Number

pith:SCPVYOIZ

pith:2017:SCPVYOIZL3HPXA7WHIZYQTFO55

not attested not anchored not stored refs pending

Heun polynomials and exact solutions for the massless Dirac particle in the C-metric

Ananda Dasgupta, Prasanta K. Panigrahi, Priyasri Kar, Ritesh K. Singh

arxiv:1709.08440 v1 · 2017-09-25 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCPVYOIZL3HPXA7WHIZYQTFO55}

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	2026-05-18T00:16:31.262420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909f5c39195ecefb83f63a33884caeef5b4ab3d78ef89b23495cbef7c5eaf331

Aliases

arxiv: 1709.08440 · arxiv_version: 1709.08440v1 · doi: 10.48550/arxiv.1709.08440 · pith_short_12: SCPVYOIZL3HP · pith_short_16: SCPVYOIZL3HPXA7W · pith_short_8: SCPVYOIZ

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/SCPVYOIZL3HPXA7WHIZYQTFO55 \
  | 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: 909f5c39195ecefb83f63a33884caeef5b4ab3d78ef89b23495cbef7c5eaf331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b251b72db6c0ff1ab8c11609a0b7c91f981583385ee857df4c66a22e93658ae4",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-09-25T12:01:26Z",
    "title_canon_sha256": "39a0eb0ed06bd6df54f157761d2becc1bdca135c9b2dcebb6c3c197928aad8a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08440",
    "kind": "arxiv",
    "version": 1
  }
}