Pith Number

pith:QN2GLIIK

pith:2007:QN2GLIIKCWMZ2IFKG6WTPJ3YC6

not attested not anchored not stored refs pending

Derived equivalences of K3 surfaces and orientation

Daniel Huybrechts, Emanuele Macri, Paolo Stellari

arxiv:0710.1645 v4 · 2007-10-08 · math.AG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QN2GLIIKCWMZ2IFKG6WTPJ3YC6}

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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.

Cited by

1 paper in Pith

A Real Reduction of the Manifold of Bridgeland Stability Conditions

Receipt and verification

First computed	2026-07-05T00:26:50.059878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

837465a10a15999d20aa37ad37a77817a0dcf49a88dbef0cf32c44987e9317e1

Aliases

arxiv: 0710.1645 · arxiv_version: 0710.1645v4 · doi: 10.48550/arxiv.0710.1645 · pith_short_12: QN2GLIIKCWMZ · pith_short_16: QN2GLIIKCWMZ2IFK · pith_short_8: QN2GLIIK

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/QN2GLIIKCWMZ2IFKG6WTPJ3YC6 \
  | 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: 837465a10a15999d20aa37ad37a77817a0dcf49a88dbef0cf32c44987e9317e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012f7fcf3d773ae796c6dd99f3ab16a04d283815aedc7268656b851e97297806",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2007-10-08T21:31:43Z",
    "title_canon_sha256": "30980fe047ccb5f2f12312ae6e104b18e2b4e300f622a4f983b5f48ee32d507c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.1645",
    "kind": "arxiv",
    "version": 4
  }
}