Pith Number

pith:K2RCYKWQ

pith:2004:K2RCYKWQUH4LXXMLMQDGH53TFH

not attested not anchored not stored refs pending

B-branes and the Derived Category

Sheldon Katz

arxiv:hep-th/0402059 v1 · 2004-02-06 · 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{K2RCYKWQUH4LXXMLMQDGH53TFH}

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	2026-05-18T00:37:10.239099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a22c2ad0a1f8bbdd8b640663f77329d041e5afebeda1c50dc3b50836fc324c

Aliases

arxiv: hep-th/0402059 · arxiv_version: hep-th/0402059v1 · doi: 10.48550/arxiv.hep-th/0402059 · pith_short_12: K2RCYKWQUH4L · pith_short_16: K2RCYKWQUH4LXXML · pith_short_8: K2RCYKWQ

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/K2RCYKWQUH4LXXMLMQDGH53TFH \
  | 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: 56a22c2ad0a1f8bbdd8b640663f77329d041e5afebeda1c50dc3b50836fc324c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29744886b53b92bdc3a5f6c86f1d4ba1f35051aa26c8c3f38bb33ce72ef511df",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-02-06T21:22:07Z",
    "title_canon_sha256": "d7e7e29ba0cb998b4af0c40f3ca5b3dce5df240b0268b9101190ef2229917bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0402059",
    "kind": "arxiv",
    "version": 1
  }
}