Pith Number

pith:VUARJ24Z

pith:1997:VUARJ24ZOOGQZYRYB4YQDOP77Q

not attested not anchored not stored refs pending

On fibre space structures of a projective irreducible symplectic manifold

Daisuke Matsushita

arxiv:alg-geom/9709033 v1 · 1997-09-30 · alg-geom · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUARJ24ZOOGQZYRYB4YQDOP77Q}

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	2026-05-18T01:07:47.027592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad0114eb99738d0ce2380f3101b9fffc3615ee311c75065d1a128092a54afbfe

Aliases

arxiv: alg-geom/9709033 · arxiv_version: alg-geom/9709033v1 · doi: 10.48550/arxiv.alg-geom/9709033 · pith_short_12: VUARJ24ZOOGQ · pith_short_16: VUARJ24ZOOGQZYRY · pith_short_8: VUARJ24Z

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/VUARJ24ZOOGQZYRYB4YQDOP77Q \
  | 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: ad0114eb99738d0ce2380f3101b9fffc3615ee311c75065d1a128092a54afbfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "100b5f5d01e54a8348a3b6eea52f71b54fd5727f592329ca2b044866fc1824b3",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1997-09-30T05:13:24Z",
    "title_canon_sha256": "10f1ea443bc654178eb9960d0eff4cd63d63d1bdc5c75fce061f4feee794b6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9709033",
    "kind": "arxiv",
    "version": 1
  }
}