Pith Number

pith:TG74PDZX

pith:2014:TG74PDZX5JO2CFCN7XOKZVHGPF

not attested not anchored not stored refs pending

Topics in Two-Loop Superstring Perturbation Theory

Eric D'Hoker

arxiv:1403.5494 v2 · 2014-03-21 · 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{TG74PDZX5JO2CFCN7XOKZVHGPF}

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	2026-05-18T02:55:19.168616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99bfc78f37ea5da1144dfddcacd4e67950fe7fcedfb547d4372cac8a2ab49162

Aliases

arxiv: 1403.5494 · arxiv_version: 1403.5494v2 · doi: 10.48550/arxiv.1403.5494 · pith_short_12: TG74PDZX5JO2 · pith_short_16: TG74PDZX5JO2CFCN · pith_short_8: TG74PDZX

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/TG74PDZX5JO2CFCN7XOKZVHGPF \
  | 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: 99bfc78f37ea5da1144dfddcacd4e67950fe7fcedfb547d4372cac8a2ab49162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea9e7c5ea55c3ca475ea8c675c17fc16ad565a6b19c6edf33d9b3673673cf6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-03-21T15:23:47Z",
    "title_canon_sha256": "244a7f1e065e10d407bd190be935c7e1378009bb021abf4aa3f8270ea831bdb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5494",
    "kind": "arxiv",
    "version": 2
  }
}