Pith Number

pith:IGNU3SAM

pith:2005:IGNU3SAMCJTK6E2O4LZD5NR3NL

not attested not anchored not stored refs pending

From Spinor Geometry to Complex General Relativity

Giampiero Esposito

arxiv:hep-th/0504089 v2 · 2005-04-11 · 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{IGNU3SAMCJTK6E2O4LZD5NR3NL}

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	2026-05-18T01:38:45.728400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

419b4dc80c1266af134ee2f23eb63b6adc52b58487710cb3382bcc55be57204e

Aliases

arxiv: hep-th/0504089 · arxiv_version: hep-th/0504089v2 · doi: 10.48550/arxiv.hep-th/0504089 · pith_short_12: IGNU3SAMCJTK · pith_short_16: IGNU3SAMCJTK6E2O · pith_short_8: IGNU3SAM

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/IGNU3SAMCJTK6E2O4LZD5NR3NL \
  | 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: 419b4dc80c1266af134ee2f23eb63b6adc52b58487710cb3382bcc55be57204e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e6a6c32e5c2c61314f535931aead02173ff29d62c985bd8b0fb55a62f5c376",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-04-11T06:31:24Z",
    "title_canon_sha256": "0ae85f4bdf37a87f7d73cd8ae08b7598e3c18b834a11c3b3273321b1ee331d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0504089",
    "kind": "arxiv",
    "version": 2
  }
}