Pith Number

pith:QQOF3X4F

pith:2013:QQOF3X4FPL6FJ3HYORDBFUHMBV

not attested not anchored not stored refs pending

Pure spinors, intrinsic torsion and curvature in odd dimensions

Arman Taghavi-Chabert

arxiv:1304.1076 v3 · 2013-04-03 · math.DG · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQOF3X4FPL6FJ3HYORDBFUHMBV}

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	2026-05-18T00:10:52.512452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841c5ddf857afc54ecf8744612d0ec0d484dc3192ee389953fa58973be2ab876

Aliases

arxiv: 1304.1076 · arxiv_version: 1304.1076v3 · doi: 10.48550/arxiv.1304.1076 · pith_short_12: QQOF3X4FPL6F · pith_short_16: QQOF3X4FPL6FJ3HY · pith_short_8: QQOF3X4F

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/QQOF3X4FPL6FJ3HYORDBFUHMBV \
  | 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: 841c5ddf857afc54ecf8744612d0ec0d484dc3192ee389953fa58973be2ab876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c2117e5766ea1d805a840067aa9e499e3b000b44bd8aae81c881ec865c3a49e",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-04-03T19:57:34Z",
    "title_canon_sha256": "8a0749570aca0a58532a3de33834ef690da13447d48f2713899a0da3e17d97c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1076",
    "kind": "arxiv",
    "version": 3
  }
}