Pith Number

pith:MTNNAR7C

pith:2016:MTNNAR7CHECBZXXKJYP35QDBQ6

not attested not anchored not stored refs pending

A Characterization of Symplectic Grassmannians

Gianluca Occhetta, Kiwamu Watanabe, Luis E. Sol\'a Conde

arxiv:1604.06867 v2 · 2016-04-23 · 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{MTNNAR7CHECBZXXKJYP35QDBQ6}

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	2026-05-17T23:54:17.054198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64dad047e239041cdeea4e1fbec06187904e212cdba833ebebc02fc8162a91c2

Aliases

arxiv: 1604.06867 · arxiv_version: 1604.06867v2 · doi: 10.48550/arxiv.1604.06867 · pith_short_12: MTNNAR7CHECB · pith_short_16: MTNNAR7CHECBZXXK · pith_short_8: MTNNAR7C

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/MTNNAR7CHECBZXXKJYP35QDBQ6 \
  | 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: 64dad047e239041cdeea4e1fbec06187904e212cdba833ebebc02fc8162a91c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e598914cf6a97241851dd0ad8903e715c1c97b61ba43ee909a29c32050d83f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-23T05:46:51Z",
    "title_canon_sha256": "9c7876c53ace8917da9bc8e869910c1dc83d91790dca087fa8f3d01e67cd5c91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06867",
    "kind": "arxiv",
    "version": 2
  }
}