Pith Number

pith:JAZJD4EE

pith:2012:JAZJD4EEOPOOD277LMWZXZZRRD

not attested not anchored not stored refs pending

Semiorthogonal decompositions for twisted grassmannians

Sanghoon Baek

arxiv:1205.1175 v1 · 2012-05-06 · 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{JAZJD4EEOPOOD277LMWZXZZRRD}

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	2026-05-18T03:56:11.900958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

483291f08473dce1ebff5b2d9be73188dc8a90985465abd1d17ed3fe4aeaf1bc

Aliases

arxiv: 1205.1175 · arxiv_version: 1205.1175v1 · doi: 10.48550/arxiv.1205.1175 · pith_short_12: JAZJD4EEOPOO · pith_short_16: JAZJD4EEOPOOD277 · pith_short_8: JAZJD4EE

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/JAZJD4EEOPOOD277LMWZXZZRRD \
  | 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: 483291f08473dce1ebff5b2d9be73188dc8a90985465abd1d17ed3fe4aeaf1bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e811df4b2fb6cbb59a9e654ec17b46796a2ab7167f609491cba514487724414e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-06T03:16:40Z",
    "title_canon_sha256": "e8d1534c8012b213251897f20097d97a92613ce075c588b651b1635129e2f3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1175",
    "kind": "arxiv",
    "version": 1
  }
}