Pith Number

pith:M5ZEB5FX

pith:1996:M5ZEB5FXQ7BPEJHHF4Q6XMIGHR

not attested not anchored not stored refs pending

New rigid string instantons in $R^4$

Jacek Pawe{\l}czyk

arxiv:hep-th/9607198 v1 · 1996-07-25 · 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{M5ZEB5FXQ7BPEJHHF4Q6XMIGHR}

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	2026-07-04T16:02:20.132239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677240f4b787c2f224e72f21ebb1063c5571b6f69d2ca30c40f05a0b51bb08cc

Aliases

arxiv: hep-th/9607198 · arxiv_version: hep-th/9607198v1 · doi: 10.48550/arxiv.hep-th/9607198 · pith_short_12: M5ZEB5FXQ7BP · pith_short_16: M5ZEB5FXQ7BPEJHH · pith_short_8: M5ZEB5FX

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/M5ZEB5FXQ7BPEJHHF4Q6XMIGHR \
  | 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: 677240f4b787c2f224e72f21ebb1063c5571b6f69d2ca30c40f05a0b51bb08cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "017f19b1d2f6756f41f001497f5cce702be5c694dcc3e085a9a2afea5302b726",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1996-07-25T18:32:37Z",
    "title_canon_sha256": "4781c27e26df1143a529456d0f5b0e6c1a78f5a437e84b13256a80be759eb0ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9607198",
    "kind": "arxiv",
    "version": 1
  }
}