Pith Number

pith:FENKNFKT

pith:2019:FENKNFKTVITFDSHIRWNROSEPUH

not attested not anchored not stored refs pending

Recursive Green's function approach to Feenberg perturbation theory

K. Ishida

arxiv:1904.00957 v1 · 2019-04-01 · quant-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{FENKNFKTVITFDSHIRWNROSEPUH}

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	2026-05-17T23:49:44.748714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291aa69553aa2651c8e88d9b17488fa1cc0d7a46277c2e2b3ae04cb5048c8013

Aliases

arxiv: 1904.00957 · arxiv_version: 1904.00957v1 · doi: 10.48550/arxiv.1904.00957 · pith_short_12: FENKNFKTVITF · pith_short_16: FENKNFKTVITFDSHI · pith_short_8: FENKNFKT

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/FENKNFKTVITFDSHIRWNROSEPUH \
  | 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: 291aa69553aa2651c8e88d9b17488fa1cc0d7a46277c2e2b3ae04cb5048c8013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef94d0a53159ad2509851dedda1120180308d6d1c990fa463e6216c7ca40dfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-01T16:48:50Z",
    "title_canon_sha256": "9dbb392f7ad12e3ed315dbfa114cfccffb84dfc69114d6aeaf4fec5233ed575d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00957",
    "kind": "arxiv",
    "version": 1
  }
}