Pith Number

pith:7KGUHJ6U

pith:2013:7KGUHJ6UOP7BWTLN6L7S5M3QKG

not attested not anchored not stored refs pending

Two-loop vacuum energy for Calabi-Yau orbifold models

Duong H. Phong, Eric D'Hoker

arxiv:1307.1749 v1 · 2013-07-06 · 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{7KGUHJ6UOP7BWTLN6L7S5M3QKG}

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	2026-05-18T01:48:59.162394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa8d43a7d473fe1b4d6df2ff2eb37051a4dc52db599695b93d11176edce5ba36

Aliases

arxiv: 1307.1749 · arxiv_version: 1307.1749v1 · doi: 10.48550/arxiv.1307.1749 · pith_short_12: 7KGUHJ6UOP7B · pith_short_16: 7KGUHJ6UOP7BWTLN · pith_short_8: 7KGUHJ6U

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/7KGUHJ6UOP7BWTLN6L7S5M3QKG \
  | 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: fa8d43a7d473fe1b4d6df2ff2eb37051a4dc52db599695b93d11176edce5ba36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d960ca1d3bc4263ed5cdde5d996da2b8be0bb6a5fb321c704039ed190bd019d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-06T05:08:02Z",
    "title_canon_sha256": "e8af32f4e0ff00ea620ef225fbcfbd690a8607103db6765208aaa09621b22dc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1749",
    "kind": "arxiv",
    "version": 1
  }
}