Pith Number

pith:Z36VK5NT

pith:2012:Z36VK5NTPP4Z5GPFJ5RWZSXKV3

not attested not anchored not stored refs pending

Moduli of Flags of Sheaves and their K-theory

Andrei Negut

arxiv:1209.4242 v4 · 2012-09-19 · math.AG · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z36VK5NTPP4Z5GPFJ5RWZSXKV3}

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	2026-05-18T02:44:32.557379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cefd5575b37bf99e99e54f636ccaeaaedc5b05218f20edd1a933c1b2ec181785

Aliases

arxiv: 1209.4242 · arxiv_version: 1209.4242v4 · doi: 10.48550/arxiv.1209.4242 · pith_short_12: Z36VK5NTPP4Z · pith_short_16: Z36VK5NTPP4Z5GPF · pith_short_8: Z36VK5NT

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/Z36VK5NTPP4Z5GPFJ5RWZSXKV3 \
  | 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: cefd5575b37bf99e99e54f636ccaeaaedc5b05218f20edd1a933c1b2ec181785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b0430eb6c2d11583af9ff997cdf7d45d5446088e488e78901ad9d9534b5e79d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-09-19T13:52:46Z",
    "title_canon_sha256": "d17c237fe9fca7ee445df30f7225de90c0023ae0823e8bee01b9c972a7a0f91a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4242",
    "kind": "arxiv",
    "version": 4
  }
}