Pith Number

pith:ISKAGUKP

pith:2007:ISKAGUKP72ESI7SPQQM6IZS2M4

not attested not anchored not stored refs pending

Resolution of symplectic cyclic orbifold singularities

Federica Pasquotto, Klaus Niederkr\"uger

arxiv:0707.4141 v2 · 2007-07-27 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISKAGUKP72ESI7SPQQM6IZS2M4}

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	2026-05-18T01:29:22.362569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

449403514ffe89247e4f8419e4665a673e324b914d6adb9430d59479d2de50d7

Aliases

arxiv: 0707.4141 · arxiv_version: 0707.4141v2 · doi: 10.48550/arxiv.0707.4141 · pith_short_12: ISKAGUKP72ES · pith_short_16: ISKAGUKP72ESI7SP · pith_short_8: ISKAGUKP

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/ISKAGUKP72ESI7SPQQM6IZS2M4 \
  | 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: 449403514ffe89247e4f8419e4665a673e324b914d6adb9430d59479d2de50d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2547afa110c42ea2d899c5ad70d9267b8ebd2acc0e97d34c251ebfba8428373b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2007-07-27T15:44:53Z",
    "title_canon_sha256": "78ad0ebb2c1ea4226dcc85a46975087b2674da4aa49e7d2b7c91d6f10719c6b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.4141",
    "kind": "arxiv",
    "version": 2
  }
}