Pith Number

pith:VYSEHWA5

pith:2000:VYSEHWA5ZBDLFN2UU3AVSJXW67

not attested not anchored not stored refs pending

Hidden Symmetries of the Open N=2 String

Olaf Lechtenfeld, Tatiana A. Ivanova

arxiv:hep-th/0007049 v2 · 2000-07-06 · 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{VYSEHWA5ZBDLFN2UU3AVSJXW67}

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	2026-05-18T01:38:55.391414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2443d81dc846b2b754a6c15926f6f7cc3aea758d550cf5fe64c8bc1f9b4050

Aliases

arxiv: hep-th/0007049 · arxiv_version: hep-th/0007049v2 · doi: 10.48550/arxiv.hep-th/0007049 · pith_short_12: VYSEHWA5ZBDL · pith_short_16: VYSEHWA5ZBDLFN2U · pith_short_8: VYSEHWA5

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/VYSEHWA5ZBDLFN2UU3AVSJXW67 \
  | 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: ae2443d81dc846b2b754a6c15926f6f7cc3aea758d550cf5fe64c8bc1f9b4050

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75c91722e6cbcb3708cdcb1432aae66e3b971049dc005c33c84e80ab01b7a417",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-07-06T18:41:14Z",
    "title_canon_sha256": "46261823eed44f008a57f64086fb5f688fbe39f9d49f61fb13234fad20891a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0007049",
    "kind": "arxiv",
    "version": 2
  }
}