Pith Number

pith:NA7YAHU5

pith:2008:NA7YAHU5D2GGOFHOROTPQ4HVTY

not attested not anchored not stored refs pending

Symplectic Calabi-Yau manifolds, minimal surfaces and the hyperbolic geometry of the conifold

Dmitri Panov, Joel Fine

arxiv:0802.3648 v2 · 2008-02-25 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NA7YAHU5D2GGOFHOROTPQ4HVTY}

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	2026-05-18T00:48:06.177904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683f801e9d1e8c6714ee8ba6f870f59e099ce09b6bdc950b1bc78f388d150082

Aliases

arxiv: 0802.3648 · arxiv_version: 0802.3648v2 · doi: 10.48550/arxiv.0802.3648 · pith_short_12: NA7YAHU5D2GG · pith_short_16: NA7YAHU5D2GGOFHO · pith_short_8: NA7YAHU5

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/NA7YAHU5D2GGOFHOROTPQ4HVTY \
  | 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: 683f801e9d1e8c6714ee8ba6f870f59e099ce09b6bdc950b1bc78f388d150082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29cc2ea28deba430353dabffbd78d3465d2fa4da66002cc647a30ad4ab96e462",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2008-02-25T16:26:23Z",
    "title_canon_sha256": "c42067b741803d05705c7147e333257355e4c448857811d984e30c9a4362f42f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.3648",
    "kind": "arxiv",
    "version": 2
  }
}