Pith Number

pith:QGNQBWNX

pith:2009:QGNQBWNXH5NZQXXXY6UTG5BVCJ

not attested not anchored not stored refs pending

Simplifying superstring and D-brane actions in AdS(4) x CP(3) superbackground

Dmitri Sorokin, Linus Wulff, Pietro Antonio Grassi

arxiv:0903.5407 v3 · 2009-03-31 · 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{QGNQBWNXH5NZQXXXY6UTG5BVCJ}

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	2026-05-18T04:33:16.182614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

819b00d9b73f5b985ef7c7a9337435126a1358734419e206858ee13a079a1902

Aliases

arxiv: 0903.5407 · arxiv_version: 0903.5407v3 · doi: 10.48550/arxiv.0903.5407 · pith_short_12: QGNQBWNXH5NZ · pith_short_16: QGNQBWNXH5NZQXXX · pith_short_8: QGNQBWNX

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/QGNQBWNXH5NZQXXXY6UTG5BVCJ \
  | 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: 819b00d9b73f5b985ef7c7a9337435126a1358734419e206858ee13a079a1902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9141e5fa86a055145dadba9d2e1461d1a965b8002fa9f8b703ca9ca00e4b4196",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-03-31T09:01:53Z",
    "title_canon_sha256": "2a33eebf6309336f1361b57b9c39b7a866a5073fe5211e4f87d3c846939ee8ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5407",
    "kind": "arxiv",
    "version": 3
  }
}