Pith Number

pith:X7HMIQVB

pith:1992:X7HMIQVBG4LFY62IJVXTSLTFP5

not attested not anchored not stored refs pending

Self-Duality and the KdV Hierarchy

Ashok Das, C.A.P. Galvao

arxiv:hep-th/9209084 v1 · 1992-09-22 · 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{X7HMIQVBG4LFY62IJVXTSLTFP5}

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	2026-05-18T01:38:43.289283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfcec442a137165c7b484d6f392e657f456236b34353a82b2abd3f8780821d2e

Aliases

arxiv: hep-th/9209084 · arxiv_version: hep-th/9209084v1 · doi: 10.48550/arxiv.hep-th/9209084 · pith_short_12: X7HMIQVBG4LF · pith_short_16: X7HMIQVBG4LFY62I · pith_short_8: X7HMIQVB

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/X7HMIQVBG4LFY62IJVXTSLTFP5 \
  | 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: bfcec442a137165c7b484d6f392e657f456236b34353a82b2abd3f8780821d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b2fc9891dfa50d41033a2fb44315d5d01e61a8926b640255c6d89e3b3ddeb10",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-09-22T16:38:00Z",
    "title_canon_sha256": "bff761ff06d160ddbd2909d9e49f961eecedb58bb85e7524ed60721743455a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9209084",
    "kind": "arxiv",
    "version": 1
  }
}