Pith Number

pith:S52VXQOT

pith:1999:S52VXQOTGCYYC4NZPFBLJ2I3HV

not attested not anchored not stored refs pending

BFT Embedding of Second-Class Systems

H. O. Girotti (Instituto de F\'isica - UFRGS), M. Fleck

arxiv:hep-th/9906019 v1 · 1999-06-02 · 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{S52VXQOTGCYYC4NZPFBLJ2I3HV}

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	2026-05-18T02:35:54.382042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97755bc1d330b18171b97942b4e91b3d4de5a6c9dac7c367d4aaf6032fa518e5

Aliases

arxiv: hep-th/9906019 · arxiv_version: hep-th/9906019v1 · doi: 10.48550/arxiv.hep-th/9906019 · pith_short_12: S52VXQOTGCYY · pith_short_16: S52VXQOTGCYYC4NZ · pith_short_8: S52VXQOT

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/S52VXQOTGCYYC4NZPFBLJ2I3HV \
  | 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: 97755bc1d330b18171b97942b4e91b3d4de5a6c9dac7c367d4aaf6032fa518e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91eabd7a4b571cbe2d2bdfbaac5386e5f2ce1f637f99f282ce1db83fbdd0823f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-06-02T19:37:49Z",
    "title_canon_sha256": "a34b1af889b821cd10c495091d33c6662808179977569f4e10bd26e00d2ea8d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9906019",
    "kind": "arxiv",
    "version": 1
  }
}