Pith Number

pith:C7RWX7KC

pith:2009:C7RWX7KCFGYNKFE4EPYJUGP44N

not attested not anchored not stored refs pending

A note on flat metric connections with antisymmetric torsion

Ilka Agricola, Thomas Friedrich

arxiv:0911.1602 v1 · 2009-11-09 · math.DG · 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{C7RWX7KCFGYNKFE4EPYJUGP44N}

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	2026-05-18T03:08:04.613336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e36bfd4229b0d5149c23f09a19fce36ded3c59aa105702fd67bda2363d2f70

Aliases

arxiv: 0911.1602 · arxiv_version: 0911.1602v1 · doi: 10.48550/arxiv.0911.1602 · pith_short_12: C7RWX7KCFGYN · pith_short_16: C7RWX7KCFGYNKFE4 · pith_short_8: C7RWX7KC

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/C7RWX7KCFGYNKFE4EPYJUGP44N \
  | 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: 17e36bfd4229b0d5149c23f09a19fce36ded3c59aa105702fd67bda2363d2f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2fa7a6fc67d09467f45921f20b73252a1f0b42cc2633efac2c48e6cab3a945",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-11-09T08:44:40Z",
    "title_canon_sha256": "2c2706f2f8e91e8ab36094a7fc23eced97b374957720ffec8319e85da3300b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1602",
    "kind": "arxiv",
    "version": 1
  }
}