Pith Number

pith:7JBOT2MQ

pith:2001:7JBOT2MQEIUIVRFI5LEKOWJEJV

not attested not anchored not stored refs pending

Noncommutative Solitons in Open N=2 String Theory

Alexander D. Popov, Bernd Spendig, Olaf Lechtenfeld

arxiv:hep-th/0103196 v3 · 2001-03-22 · 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{7JBOT2MQEIUIVRFI5LEKOWJEJV}

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	2026-07-04T17:29:42.603828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa42e9e99022288ac4a8eac8a759244d7fb0e066674ab4287253cd3d437a32ed

Aliases

arxiv: hep-th/0103196 · arxiv_version: hep-th/0103196v3 · doi: 10.48550/arxiv.hep-th/0103196 · pith_short_12: 7JBOT2MQEIUI · pith_short_16: 7JBOT2MQEIUIVRFI · pith_short_8: 7JBOT2MQ

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/7JBOT2MQEIUIVRFI5LEKOWJEJV \
  | 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: fa42e9e99022288ac4a8eac8a759244d7fb0e066674ab4287253cd3d437a32ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8472a7207ebe52cc766311dfdab7f943f2bf8a48af6a08e3c147d1c97645ba7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-03-22T20:12:27Z",
    "title_canon_sha256": "78796bd0e7c0ac23e0d869d1056e56635a11fb82e198ca17f47d26c4c601f4a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0103196",
    "kind": "arxiv",
    "version": 3
  }
}