Pith Number

pith:DQFZYWTX

pith:1993:DQFZYWTXFZ4ZH7SWZKKCC2AYZZ

not attested not anchored not stored refs pending

On Quantum Integrability and the Lefschetz Number

A.J. Niemi, K. Palo (Uppsala University)

arxiv:hep-th/9305077 v1 · 1993-05-18 · 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{DQFZYWTXFZ4ZH7SWZKKCC2AYZZ}

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	2026-05-18T04:17:35.761947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c0b9c5a772e7993fe56ca94216818ce63376036d811ced0e9ec746823bb9d3b

Aliases

arxiv: hep-th/9305077 · arxiv_version: hep-th/9305077v1 · doi: 10.48550/arxiv.hep-th/9305077 · pith_short_12: DQFZYWTXFZ4Z · pith_short_16: DQFZYWTXFZ4ZH7SW · pith_short_8: DQFZYWTX

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/DQFZYWTXFZ4ZH7SWZKKCC2AYZZ \
  | 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: 1c0b9c5a772e7993fe56ca94216818ce63376036d811ced0e9ec746823bb9d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba736463b3d8482a940891b119e118ec01e0949de066de51d911bbce253d12e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-05-18T06:51:36Z",
    "title_canon_sha256": "40f6afa277a004810d7fe0fccfffdca6330d4ca02fad1c3fc9e9e4c5ddf9a2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9305077",
    "kind": "arxiv",
    "version": 1
  }
}