Pith Number

pith:SVC7C3NV

pith:2014:SVC7C3NVTYJ2D5VKRTO4HHDYRV

not attested not anchored not stored refs pending

On Eigenvectors, Approximations and the Feynman Propagator

{\AA}sa Hirvonen, Tapani Hyttinen

arxiv:1407.2134 v4 · 2014-06-19 · math.LO · math-ph · math.MP · 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{SVC7C3NVTYJ2D5VKRTO4HHDYRV}

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	2026-05-18T00:20:52.687606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9545f16db59e13a1f6aa8cddc39c788d753c39cd54bc71c8bb18be42c0278546

Aliases

arxiv: 1407.2134 · arxiv_version: 1407.2134v4 · doi: 10.48550/arxiv.1407.2134 · pith_short_12: SVC7C3NVTYJ2 · pith_short_16: SVC7C3NVTYJ2D5VK · pith_short_8: SVC7C3NV

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/SVC7C3NVTYJ2D5VKRTO4HHDYRV \
  | 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: 9545f16db59e13a1f6aa8cddc39c788d753c39cd54bc71c8bb18be42c0278546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad512edfe3df82ee330809fcd2aff65a2da49aa98456705d702981209f451dd9",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-06-19T11:01:05Z",
    "title_canon_sha256": "89d6d9ab0a27e6e4eff8af76b95a14b3bcaaf38be6020e7ec82d8268c0badbb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2134",
    "kind": "arxiv",
    "version": 4
  }
}