Pith Number

pith:VHDEIUWV

pith:2012:VHDEIUWVFJLRPOAOCVTYLAPLQU

not attested not anchored not stored refs pending

Invariant four-forms and symmetric pairs

Andrei Moroianu, Uwe Semmelmann

arxiv:1202.3407 v2 · 2012-02-15 · math.DG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHDEIUWVFJLRPOAOCVTYLAPLQU}

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	2026-05-17T23:56:56.493845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c64452d52a5717b80e15678581eb8526b1f7f5057bae7003cfb63c6513d1df

Aliases

arxiv: 1202.3407 · arxiv_version: 1202.3407v2 · doi: 10.48550/arxiv.1202.3407 · pith_short_12: VHDEIUWVFJLR · pith_short_16: VHDEIUWVFJLRPOAO · pith_short_8: VHDEIUWV

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/VHDEIUWVFJLRPOAOCVTYLAPLQU \
  | 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: a9c64452d52a5717b80e15678581eb8526b1f7f5057bae7003cfb63c6513d1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24a9b60dc8343f82c3208cacd3f21d234d19a48c7d0274bda2cf2dc5e8420da",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-02-15T19:09:57Z",
    "title_canon_sha256": "02fb79ad52ed343d69b66c46957840743b520690ff61bac487674e22a85099e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3407",
    "kind": "arxiv",
    "version": 2
  }
}