Pith Number

pith:52CMJTP6

pith:2008:52CMJTP6FDYE6DY4DDRVCKDQQA

not attested not anchored not stored refs pending

Remarks on Superstring amplitudes in higher genus

Riccardo Salvati Manni

arxiv:0804.0512 v2 · 2008-04-03 · 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{52CMJTP6FDYE6DY4DDRVCKDQQA}

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	2026-05-18T04:19:52.336664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee84c4cdfe28f04f0f1c18e351287080052da3069cc185590b341fa797608ca9

Aliases

arxiv: 0804.0512 · arxiv_version: 0804.0512v2 · doi: 10.48550/arxiv.0804.0512 · pith_short_12: 52CMJTP6FDYE · pith_short_16: 52CMJTP6FDYE6DY4 · pith_short_8: 52CMJTP6

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/52CMJTP6FDYE6DY4DDRVCKDQQA \
  | 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: ee84c4cdfe28f04f0f1c18e351287080052da3069cc185590b341fa797608ca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a87d45ce349fdebb345022419844f8a1673d0cc17fe2de8b4cc9dc8f51dd075",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-04-03T10:00:37Z",
    "title_canon_sha256": "7af227dcd07cbc723bdd52c4a3d8ed7f39b3b9b0285e6355c3b166f7675664f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0512",
    "kind": "arxiv",
    "version": 2
  }
}