Pith Number

pith:LNO4B35V

pith:2010:LNO4B35VSGRIILV4OUNCQ2SOQE

not attested not anchored not stored refs pending

Getting superstring amplitudes by degenerating Riemann surfaces

Marco Matone, Roberto Volpato

arxiv:1003.3452 v2 · 2010-03-17 · hep-th · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNO4B35VSGRIILV4OUNCQ2SOQE}

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	2026-05-18T02:24:36.823431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b5dc0efb591a2842ebc751a286a4e811599a372655ef51ee679065988db62ef

Aliases

arxiv: 1003.3452 · arxiv_version: 1003.3452v2 · doi: 10.48550/arxiv.1003.3452 · pith_short_12: LNO4B35VSGRI · pith_short_16: LNO4B35VSGRIILV4 · pith_short_8: LNO4B35V

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/LNO4B35VSGRIILV4OUNCQ2SOQE \
  | 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: 5b5dc0efb591a2842ebc751a286a4e811599a372655ef51ee679065988db62ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d01a0f0a02967ebeabbf5dc39bd048c8eec28c42c575cb0be4459a3dbabf8e5",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-03-17T20:00:39Z",
    "title_canon_sha256": "a6210134631e3dd269835d9c655bdefbf92963fb6f1c589a7fbe34413986b951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3452",
    "kind": "arxiv",
    "version": 2
  }
}