Pith Number

pith:NIROULUC

pith:1999:NIROULUCHA3TD5CO52ZYQFYKEF

not attested not anchored not stored refs pending

Singularity in Potential, Perturbation and Variational Methods

Peng-Nian Shen, Xue-Qian Li, Yi-Bing Ding

arxiv:hep-ph/9902330 v1 · 1999-02-12 · hep-ph

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

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	2026-05-18T00:25:46.346827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a22ea2e82383731f44eeeb388170a21721a8f5ff5b381e64ae005f836a537f3

Aliases

arxiv: hep-ph/9902330 · arxiv_version: hep-ph/9902330v1 · doi: 10.48550/arxiv.hep-ph/9902330 · pith_short_12: NIROULUCHA3T · pith_short_16: NIROULUCHA3TD5CO · pith_short_8: NIROULUC

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/NIROULUCHA3TD5CO52ZYQFYKEF \
  | 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: 6a22ea2e82383731f44eeeb388170a21721a8f5ff5b381e64ae005f836a537f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e794aa37a6113b813f4b015fd5e919c977608117981e06bb5fc3ffb46fd8ca0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-12T08:32:39Z",
    "title_canon_sha256": "38daf5268808e0a86571c0b62d7f20fc458424c3062dc9c95f7988131fd64f81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902330",
    "kind": "arxiv",
    "version": 1
  }
}