Pith Number

pith:ORCUIVL4

pith:2013:ORCUIVL4Z5H3FF6HWNBJXFFZRM

not attested not anchored not stored refs pending

Twisted Witt Groups of Flag Varieties

Marcus Zibrowius

arxiv:1305.6492 v2 · 2013-05-28 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORCUIVL4Z5H3FF6HWNBJXFFZRM}

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	2026-05-18T02:26:59.081145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

744544557ccf4fb297c7b3429b94b98b1afae181c2d6f2cd3434c32b1c273d05

Aliases

arxiv: 1305.6492 · arxiv_version: 1305.6492v2 · doi: 10.48550/arxiv.1305.6492 · pith_short_12: ORCUIVL4Z5H3 · pith_short_16: ORCUIVL4Z5H3FF6H · pith_short_8: ORCUIVL4

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/ORCUIVL4Z5H3FF6HWNBJXFFZRM \
  | 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: 744544557ccf4fb297c7b3429b94b98b1afae181c2d6f2cd3434c32b1c273d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b828689e033ee940103edb2f6c7bf033f80f6a3ead6e64f5299a7ecbe847bd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2013-05-28T13:51:23Z",
    "title_canon_sha256": "7dab31d8070c6c876e7600e2841f0a353d8d36d13d745d22c1c81ee2f99bf2a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6492",
    "kind": "arxiv",
    "version": 2
  }
}