Pith Number

pith:S7TS7OLZ

pith:2000:S7TS7OLZ5YWUV4HCRRMCAWMDLE

not attested not anchored not stored refs pending

D-branes at Singular Curves of Calabi-Yau Compactifications

Ilka Brunner, Volker Schomerus

arxiv:hep-th/0001132 v1 · 2000-01-20 · 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{S7TS7OLZ5YWUV4HCRRMCAWMDLE}

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	2026-05-18T04:35:24.303229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97e72fb979ee2d4af0e28c58205983590810fbc85dc9b77b3f1ce2af40a504ba

Aliases

arxiv: hep-th/0001132 · arxiv_version: hep-th/0001132v1 · doi: 10.48550/arxiv.hep-th/0001132 · pith_short_12: S7TS7OLZ5YWU · pith_short_16: S7TS7OLZ5YWUV4HC · pith_short_8: S7TS7OLZ

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/S7TS7OLZ5YWUV4HCRRMCAWMDLE \
  | 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: 97e72fb979ee2d4af0e28c58205983590810fbc85dc9b77b3f1ce2af40a504ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "add8a1e2c8574dbe003b0ea6ec0b4b417b0f39cd0c48ed3eb02a5096154b1e58",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-01-20T19:44:50Z",
    "title_canon_sha256": "b1af3537e25a7e823ccf2f9f44cc55e7a453cdc481f52861150e01225298cdc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0001132",
    "kind": "arxiv",
    "version": 1
  }
}