Pith Number

pith:NBTDGTM6

pith:2003:NBTDGTM64F3HAUDEAFPI2RTV5U

not attested not anchored not stored refs pending

Negative Energy Density in Calabi-Yau Compactifications

Gary T. Horowitz, Kengo Maeda, Thomas Hertog

arxiv:hep-th/0304199 v2 · 2003-04-23 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBTDGTM64F3HAUDEAFPI2RTV5U}

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.

Cited by

1 paper in Pith

Morse-Bott inequalities, Topology Change and Cobordisms to Nothing

Receipt and verification

First computed	2026-05-18T04:35:23.375984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6866334d9ee176705064015e8d4675ed3cb3731c9a43b5b75023232ad09e30c8

Aliases

arxiv: hep-th/0304199 · arxiv_version: hep-th/0304199v2 · doi: 10.48550/arxiv.hep-th/0304199 · pith_short_12: NBTDGTM64F3H · pith_short_16: NBTDGTM64F3HAUDE · pith_short_8: NBTDGTM6

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/NBTDGTM64F3HAUDEAFPI2RTV5U \
  | 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: 6866334d9ee176705064015e8d4675ed3cb3731c9a43b5b75023232ad09e30c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff203fb28c53bb242964306661142177608c80c078a52fb6d1466d92d6ea9fe7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-04-23T17:54:08Z",
    "title_canon_sha256": "e5244b914efe641ddd372910146e2997a597f79d59484a6fd6188dd9f97ff865"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0304199",
    "kind": "arxiv",
    "version": 2
  }
}