Pith Number

pith:OXAZX4E3

pith:2000:OXAZX4E3C2XNXRMSAEYKHNZDDX

not attested not anchored not stored refs pending

On the Integrability of Covariant Field Theory for Open N=2 Strings

Alexander D. Popov, Olaf Lechtenfeld

arxiv:hep-th/0009144 v1 · 2000-09-19 · 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{OXAZX4E3C2XNXRMSAEYKHNZDDX}

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	2026-07-04T16:21:02.387100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c19bf09b16aedbc5920130a3b7231dde46c8824cbf03cfa90e22d9eea69e57

Aliases

arxiv: hep-th/0009144 · arxiv_version: hep-th/0009144v1 · doi: 10.48550/arxiv.hep-th/0009144 · pith_short_12: OXAZX4E3C2XN · pith_short_16: OXAZX4E3C2XNXRMS · pith_short_8: OXAZX4E3

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/OXAZX4E3C2XNXRMSAEYKHNZDDX \
  | 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: 75c19bf09b16aedbc5920130a3b7231dde46c8824cbf03cfa90e22d9eea69e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38dfe44008acfa354491d8761dc56bbda20698ffc76d539e23e9875fc00ddb2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-09-19T11:30:17Z",
    "title_canon_sha256": "386f709681d4009a07365c866a8108d1cae6f9f1704fefacb0f75b534f141d32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0009144",
    "kind": "arxiv",
    "version": 1
  }
}