Pith Number

pith:CZHPZ4YL

pith:2006:CZHPZ4YLER5PA73RZWLKIE2C2I

not attested not anchored not stored refs pending

Multiloop Superstring Amplitudes from Non-Minimal Pure Spinor Formalism

Nathan Berkovits, Nikita Nekrasov

arxiv:hep-th/0609012 v2 · 2006-09-01 · 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{CZHPZ4YLER5PA73RZWLKIE2C2I}

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	2026-07-04T17:02:04.201379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164efcf30b247af07f71cd96a41342d22894afa230092c2ac6330d7b0f7d9a5b

Aliases

arxiv: hep-th/0609012 · arxiv_version: hep-th/0609012v2 · doi: 10.48550/arxiv.hep-th/0609012 · pith_short_12: CZHPZ4YLER5P · pith_short_16: CZHPZ4YLER5PA73R · pith_short_8: CZHPZ4YL

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/CZHPZ4YLER5PA73RZWLKIE2C2I \
  | 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: 164efcf30b247af07f71cd96a41342d22894afa230092c2ac6330d7b0f7d9a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84476585ee020d20b30ab1242bff0bd8f42fca568c8f6518dfc7580c359634af",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-09-01T19:51:01Z",
    "title_canon_sha256": "50489238312aa46c02b3224ad38bf6540892c2cefa66be469f81657eeb0b7a42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0609012",
    "kind": "arxiv",
    "version": 2
  }
}