Pith Number

pith:IGDHOP7J

pith:1998:IGDHOP7JAP3GPTRZCUCO2H77AI

not attested not anchored not stored refs pending

On the Null Vectors in the Spectra of the 2D Integrable Hierarchies

D.Fioravanti, M.Stanishkov

arxiv:hep-th/9806090 v1 · 1998-06-11 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGDHOP7JAP3GPTRZCUCO2H77AI}

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	2026-05-18T02:35:54.989950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4186773fe903f667ce391504ed1fff022df46ddda902ce675ef8f7955a302d3e

Aliases

arxiv: hep-th/9806090 · arxiv_version: hep-th/9806090v1 · doi: 10.48550/arxiv.hep-th/9806090 · pith_short_12: IGDHOP7JAP3G · pith_short_16: IGDHOP7JAP3GPTRZ · pith_short_8: IGDHOP7J

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/IGDHOP7JAP3GPTRZCUCO2H77AI \
  | 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: 4186773fe903f667ce391504ed1fff022df46ddda902ce675ef8f7955a302d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d11eeeed5f22e79980378aecbcad4ca3a9b4f041dcf5b7c10cca7ee68041b91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-06-11T15:57:34Z",
    "title_canon_sha256": "ebddc3ccb926c5478998fc868330b6ccfd8ce35cd3df91e8cb9075fc4dcbd00f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9806090",
    "kind": "arxiv",
    "version": 1
  }
}