Pith Number

pith:MEOMIU3O

pith:2005:MEOMIU3OKKBA244ZAAKCGQUQN7

not attested not anchored not stored refs pending

$\eta$-invariant and flat vector bundles

Weiping Zhang, Xiaonan Ma

arxiv:math/0508006 v1 · 2005-07-30 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MEOMIU3OKKBA244ZAAKCGQUQN7}

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	2026-05-18T01:05:23.289054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

611cc4536e52820d739900142342906fdb8de40e2cd82761d71e2168809465e7

Aliases

arxiv: math/0508006 · arxiv_version: math/0508006v1 · doi: 10.48550/arxiv.math/0508006 · pith_short_12: MEOMIU3OKKBA · pith_short_16: MEOMIU3OKKBA244Z · pith_short_8: MEOMIU3O

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/MEOMIU3OKKBA244ZAAKCGQUQN7 \
  | 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: 611cc4536e52820d739900142342906fdb8de40e2cd82761d71e2168809465e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eb57e88cb888f4bd2c38e5f475ead3ca4d05fc9fdf261012769a8af8e02dd60",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2005-07-30T04:51:14Z",
    "title_canon_sha256": "55834b0c44c8c7df4131d58cd8ed194b73347ae21d176984009a089a40e5ba0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0508006",
    "kind": "arxiv",
    "version": 1
  }
}