Pith Number

pith:L5VV6BDS

pith:1995:L5VV6BDSOPNISVH44S5L7IDMFO

not attested not anchored not stored refs pending

From Principal Chiral Model to Self-dual Gravity

H. Garcia-Compean, Jerzy F. Plebanski, Maciej Przanowski

arxiv:hep-th/9509092 v2 · 1995-09-16 · 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{L5VV6BDSOPNISVH44S5L7IDMFO}

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	2026-05-18T04:35:16.636503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2

Aliases

arxiv: hep-th/9509092 · arxiv_version: hep-th/9509092v2 · doi: 10.48550/arxiv.hep-th/9509092 · pith_short_12: L5VV6BDSOPNI · pith_short_16: L5VV6BDSOPNISVH4 · pith_short_8: L5VV6BDS

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/L5VV6BDSOPNISVH44S5L7IDMFO \
  | 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: 5f6b5f047273da8954fce4babfa06c2bba2c0cb78afcb5ad62fb2af03e6fe0c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74a7eb3a120b5806f82ae022c921c0cdd9729c78130fde0a72149ae46e734e3a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-09-16T17:22:27Z",
    "title_canon_sha256": "dbc0516a6ca73a2cdb8f33a34e886936776fd99afb128f76f947b4f578c77dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9509092",
    "kind": "arxiv",
    "version": 2
  }
}